In the World of the High Tech Redneck, the Graybeard is the old guy who earned his gray by making all the mistakes, and tries to keep the young 'uns from repeating them. Silicon Graybeard is my term for an old hardware engineer; a circuit designer. The focus of this blog is on doing things, from radio to home machine shops and making all kinds of things, along with comments from a retired radio engineer, that run from tech, science or space news to economics; from firearms to world events.
“The mission follows the successful NG-2 mission, which included the landing
of the ‘Never Tell Me The Odds’ booster. The same booster is being
refurbished to power NG-3.”
That November 13th NG-2 mission was 10 weeks ago. Let's assume they launch
NG-3 on February 28th, just to get a number to play with - that's five weeks
from today, making a 15 week turnaround from first flight of the booster to its second. If the launch is two weeks later,
mid-March, it's still only 17 weeks for the turnaround time.
A direct comparison to SpaceX is difficult, partly because Blue Origin is
working in an aspect of reusability that SpaceX didn't have for their first
successful booster recovery. Essentially, Blue Origin is learning things about
reusability that didn't exist for SpaceX. Nobody had the experiences they
learned from.
By way of comparison, SpaceX did not attempt to refly the first Falcon 9
booster it landed in December 2015. Instead, initial tests revealed that the
vehicle’s interior had been somewhat torn up. It was scrapped and inspected
closely so that engineers could learn from the wear and tear.
SpaceX successfully landed its second Falcon 9 booster in April 2016, on the
23rd overall flight of the Falcon 9 fleet. This booster was refurbished and,
after a lengthy series of inspections, it was reflown successfully in March
2017, nearly 11 months later.
Blue Origin originally planned to launch its MK1 lunar lander on the third
flight of New Glenn, but it pivoted to a commercial launch as the lunar
vehicle continues preparatory work.
On Wednesday,
the company announced
that it had completed the integration of the MK1 vehicle and put it on a
barge bound for Johnson Space Center in Houston. There, it will undergo
vacuum chamber testing before a launch later this spring—or, more likely,
sometime this summer.
Artist's concept drawing of two Block 2 BlueBird satellites for AST Space Mobile.
The satellites will provide direct-to-cell connectivity.
Credit: AST SpaceMobile
It's an oddity of US Space travel that every mission which ended in loss of
crew and vehicle occurred in less than one calendar week - six days, although
those accidents span 36 years. That week is January 27th through February 1st;
while the years run from 1967 through 2003.
January 27, 1967 was the
hellish demise of Apollo 1
and her crew, Gus Grissom, Roger Chaffee and Ed White, during a pad test, not
a flight. In that article, Ars Technica interviews key men associated
with the mission. In the intervening years, I've heard speculation that
we never would have made it to the moon without something to shake out a bit
of the NASA management idiocy, but that may just be people logically
justifying their opinions. Like this quote from Chris Kraft, one of the
giants of NASA in the '60s.
There was plenty of blame to go around—for North American [they built the Apollo
capsule - SiG], for flight control in Houston, for technicians at Cape
Canaveral, for Washington DC and its political pressure on the schedule and
its increasingly bureaucratic approach to spaceflight. The reality is that
the spacecraft was not flyable. It had too many faults. Had the Apollo 1
fire not occurred, it’s likely that additional problems would have delayed
the launch.
“Unless the fire had happened, I think it’s very doubtful that we would have
ever landed on the Moon,” Kraft said. “And I know damned well we wouldn’t
have gotten there during the 1960s. There were just too many things wrong.
Too many management problems, too many people problems, and too many
hardware problems across the whole program.”
The next big disaster was January 28, - the next day on the calendar, but in
1986, 19 years later.
Space Shuttle Challenger
was lost a mere 73 seconds into mission 51-L as a flaw in the starboard solid
rocket booster allowed a secondary flame to burn through supports and cause
the external tank to explode. It was the kind of cold day that we
haven't had here in some years. It has been reported that it was between
20 and 26 around the area on the morning of the launch and ice had been
reported on the launch tower as well as the external tank. O-rings that
were used to seal the segments of the stackable solid rocket boosters were too
cold to seal. Launch wasn't until nearly noon and it had warmed
somewhat, but the shuttle had never been launched at temperatures below 40
before that mission. Richard Feynman famously demonstrated that cold was
likely the cause during the televised Rogers Commission meetings,
dropping a section of O ring compressed by a C-clamp into his iced water
to demonstrate that it had lost its resilience at that temperature. The
vehicle would have been colder than that iced water.
As important and memorable as that moment was, engineers such as
Roger Boisjoly
of Morton Thiokol, the makers of the boosters, fought managers for at least
the full day before the launch, with managers eventually overruling the
engineers. Feynman had been told about the cold temperature issues with the
O-rings by several people, and local rumors were that he would go to some of
the bars just outside the gates of the Kennedy Space Center and talk with
workers about what they saw. The simple example with the O-ring and glass of
iced water was vivid and brought the issue home to millions.
There's plenty of evidence that the crew of Challenger survived the explosion.
The crew cabin was specifically designed to be used as an escape pod, but
after most of the design work, NASA decided to drop the other requirements to
save weight. The recovered cabin had clear evidence of activity: oxygen
bottles being turned on, switches that require a few steps to activate being
flipped. It's doubtful they survived the impact with the ocean and some
believe they passed out due to hypoxia before that. We'll honestly never know.
Finally, at the end of the worst week,
Shuttle Columbia, the oldest surviving shuttle flying as mission STS-107, broke up on
re-entry 17 years later on February 1, 2003 scattering wreckage over the
central southern tier of the country with most debris along the
Texas/Louisiana line. As details emerged about the flight, it turns out that
Columbia and everyone on board had been sentenced to death at launch - they
just didn't know it. A chunk of foam had broken off the external tank during
liftoff and hit the left wing's carbon composite leading edge, punching a hole
in it. There was no way a shuttle could reenter without exposing that wing to
conditions that would destroy it. They were either going to die on reentry or
sit up there and run out of food, water and air. During reentry, hot plasma
worked its way into that hole, through the structure of the wing, burning
through piece after piece, sensor after sensor, until the wing tore off the
shuttle and tore the vehicle apart. Local lore on this one is that the
original foam recipe was changed due to environmental regulations, causing
them to switch to a foam that didn't adhere to the tank or stand up to abuse
as well as the original.
In 2014, Ars Technica did a deep dive article on possible ways that Columbia's
crew could have been saved.
They republished that on February 1, 2023, the anniversary of the
disaster. It's interesting speculation, very detailed, compiled by a man who
claims to have been a junior system administrator for Boeing in Houston,
working in Mission Control that day.
Like many of you, I remember them all. I was a 13 year-old kid midway through
7th grade in Miami when Apollo 1 burned. By the time of Challenger, I was a 32
year old working on commercial satellite TV receivers here near the KSC and
watched Challenger live via the satellite TV, instead of going outside to
watch it as I always did. Mrs. Graybeard had just begun working on the
unmanned side on the Cape, next door to the facility that refurbished the
Shuttles SRBs between flights, and was outside watching the launch. Columbia
happened when it was feeling routine again. Mom had fallen and was in the
hospital; we were preparing to go down to South Florida to visit and I was
watching the TV waiting to hear the double sonic booms shake the house as they
always did. They never came.
The failure reports and investigations of all three of these disasters center
on the same things: the problems with NASA's way of doing things. They tended
to rely on "well, it worked last time" when dealing with dangerous situations,
or leaned too much toward, "schedule is king" all as a way of gambling that
someone else would be the one blamed for delaying a mission. Spaceflight is
inherently very risky, so some risk taking is inevitable, but NASA had taken
stupid risks too often. People playing Russian Roulette can say, "well, it
worked last time," but having worked doesn't change the odds of losing.
Last year was the first time I linked to a post on Casey Handmer's blog on
this topic, but not the exact incidents, but the management problems that get
us to the point where such accidents happen. The post is about
Dittemore's law and you might recognize the name.
Ron Dittemore is the
retired former Space Shuttle program manager who was ultimately responsible
for the series of decisions that resulted in the Columbia disaster, which
killed seven of the lost 25 astronauts. Here's Handmer's money
quote:
Dittemore’s Law states that “A team composed of sufficiently competent,
motivated, well-resourced individuals will tend to produce a
collective outcome that is diametrically opposed to the intended,
individually desired outcome.”
In physics terms, it’s something like diamagnetism.
Casey Handmer's Dittemore's Law post is definitely worth a read.
It has been oddly busy this week and especially late yesterday through today.
The busy managed to conflict with my regular times to go find something to
write about.
All could think of was to repost one of my all-time favorite goofy posts,
about
breeding Spider Chickens. It was from the period of peak crazy over Covid, June of 2021.
If there's a surprise to this announcement, it's in just who looks to be doing
the constellation: Blue Origin. While Jeff Bezos founded both Blue and Amazon,
and Amazon already has been launching satellites for the LEO, it seems a
little harder to pin down that Blue will launch all of them, but they throw
around some pretty spectacular numbers for it.
Conceptual drawing of the TerraWave system. Image credit: Blue Origin
The 5280 satellites in LEO will communicate at up to 144Gbps through the
microwave and millimeter wave radio spectra (Q and V bands), whereas those in
medium-Earth orbit will provide higher data rates up to 6 Terabits per second
(Tbps) through optical (laser) links.
“This provides the reliability and resilience needed for real-time
operations and massive data movement,” Blue Origin’s chief executive, Dave
Limp,
said on social media. “It also provides backup connectivity during outages, keeping critical
operations running. Plus, the ability to scale on demand and rapidly deploy
globally while maintaining performance.”
A big difference is at the start of the "social media" link just above. Limp
says it's not intended for widespread use by the general public like
Starlink.
It is purpose-built for enterprise customers. Unmatched speeds of up to 6
Tbps through a multi-orbit constellation of 5,280 LEO and 128 MEO
satellites with both RF and optical links. Globally distributed customers
can each access up to 144 Gbps of capacity through Q/V-band links from LEO
satellites, while up to 6 Tbps point-to-point capacity can be accessed
through optical links from MEO satellites.
That means TeraWave will seek to serve “tens of thousands” of enterprise,
data center, and government users who require reliable connectivity for
critical operations.
Time to borrow a familiar line. I'd answer with something like, "that sounds
nice and all, but you guys aren't doing all that well with your core business
of being a launch service." The much-ballyhooed New Glenn has exactly two
missions completed, years after originally planned. The second test flight was impressive with the successful
booster recovery looking almost as routine as, well, you know who. But...
One industry concern about Blue Origin is that it has taken on too many
responsibilities too quickly—a large rocket, two different lunar landers, a
space station, a crew capsule, the Blue Ring spacecraft, a Mars orbiter, and
more projects. This has led to a competition within the company for
resources and, at times, a seeming lack of focus. Adding TeraWave to the mix
represents a major new initiative that will also require an extraordinary
amount of effort to bring to market.
In what appears to be a response to this industry concern, Blue
Origin launched a new division within the company called Emerging
Systems, which is intended to be a “new strategic initiative driving
innovation across advanced aerospace technologies.” TeraWave appears to be an
accomplishment of the Emerging Systems (department? group?)
Back at the end of September 2025, I did an article on the race to a private
space station called "The Other Other Space Race." The Other Space Race that everyone knows about is the race to start
settlements on the moon; while the "Other Other race" I was referring
to was the race to put a private Space Station into orbit. Searching with
Blogger search box (top left of this page) just for "private space station," I
find I've been writing about this topic since 2020.
The company this post is centered on, Vast, appears to be mentioned first in
2023, recent posts have been in reference to a test flight for testing out
systems on their private space station called Haven-1.
Let me lead with something I probably don't need to say. The expected launch
this May has been called off and it's looking to be in Q1 of '27. First
flights of complex spacecraft not running into delays are pretty
unusual.
Ars Technica has been diving into the various private space station companies
and after an opening article about
Voyager, goes into Vast today with, "The first commercial space station, Haven-1, is now undergoing assembly for
launch." It's primarily an interview with Max Haot, the chief executive of
Vast. The company is furthest along in terms of development, choosing to build
a smaller, interim space station, Haven-1, capable of short-duration stays.
Ars: Where are you with the hardware?
Haot: Last Saturday (January 10) we reached the key milestone of
fully completing the primary structure, and some of the secondary structure;
all of the acceptance testing occurred in November as well. Now we are
starting clean room integration, which starts with TCS (thermal control
system), propulsion, interior shells, and then moving on to avionics. And
then final close out, which we expect will be done by the fall, and then we
have on the books with NASA a full test campaign at the end of the year at
Plum Brook. Then the launch in Q1 next year.
The whole interview is interesting for the perspectives that Max Haot bring as
well as the overall discussion of that sector of the space industry. I'll borrow
one here:
Ars: What happens after you launch Haven-1?
Haot: We are not launching Haven-1 with crew inside. It’s a 15-ton,
very valuable and expensive satellite, but still no humans involved,
launching on a Falcon 9. So then we have a period that we can monitor it and
control it uncrewed and confirm everything is functioning perfectly, right?
We are holding pressure. We are controlling attitude. These checkouts can
happen in as little as two weeks.
At the end of it, we have to basically convince SpaceX, both contractually
and with many verification events, that it will be safe to dock Dragon. And
if they agree with the data we provide them, they will put a fully trained
crew on board Dragon and bring them up. It could be as early as two weeks
after, and it could be as late as any time within three years, which is a
lifetime of Haven-1. But we have a very strong incentive to send a crew as
quickly as we can safely do so.
The Haven-1 habitat will be usable for three years, and they are trying to
book more crews for the two-week missions it's intended for. As of the
interview, Haot talks about four missions. Not much chance of overstaying the
three year life of the "very valuable and expensive satellite."
The Haven-1 space station undergoing acceptance testing in November '25.
Credit: Vast Space
Arriving earlier than expected, a CME struck Earth's magnetic field on Jan.
19th (1930 UT). The impact sparked a severe
G4-class
geomagnetic storm. The timing of the impact favored Europe, where widespread
auroras are
now being reported.
It remains to be seen whether the storm will persist long enough for a
similar display in North America.
The CME that struck Earth today crossed the sun-Earth divide in only ~25
hours. That's fast. For comparison, most CMEs take 3 or 4 days to get here.
The high speed of this CME (~1660 km/s) places it in the top few percent of
all CMEs observed in the past 30 years.
The NOAA Space Weather Prediction Center posted this summary of planetary
K-index (Kp) values as the last update for Jan. 19:
The two red "towers" Kp at 8.33 and then 8.67 (or 8-1/3 and 8-2/3) are
obvious signs of CME impacts. The two yellow boxes at the top right labelled S2
and G2 are Solar Radiation Storm and Geomagnetic storm cautions.
S2 (Moderate) Solar Radiation Storm Impacts
Biological: Passengers and
crew in high-flying aircraft at high latitudes may be exposed to elevated
radiation risk. Satellite operations:
Infrequent single-event upsets possible. Other systems: Small effects
on HF propagation through the polar regions and navigation at polar cap
locations possibly affected.
G2 (Moderate) Geomagnetic Storm Impacts
Power systems: High-latitude
power systems may experience voltage alarms, long-duration storms may
cause transformer damage. Spacecraft operations:
Corrective actions to orientation may be required by ground control;
possible changes in drag affect orbit predictions. Other systems: HF radio
propagation can fade at higher latitudes, and aurora has been seen as low
as New York and Idaho (typically 55° geomagnetic lat.).
At the top level of the website with that Planetary K index graphic, lies this
one:
Across the top of the graphic under
SPACE WEATHER CONDITIONS it shows that earlier today S4 and G4
conditions were observed. I was doing some paperwork in the shack today, closer
to 5PM or 2200 UTC, and the G4 condition was displayed. Note that the prediction
for the next 24 hours at the right edge of this graphic also includes severe G4
storms. I have to add my usual summary: if you think plain old NOAA weather
forecasts for your city are bad, they're generations of progress better than
solar-terrestrial storm forecasts.
The usual thing people ask about is if auroras will be visible. The aurora
forecasters seem more inclined to be cautious than plain old weather
forecasters. They say tonight will be more active than last night and more
active than tomorrow night, but they don't say something specific like they'll
be visible from northern Illinois but not southern Indiana, for example.
This plot, from the NOAA SWPC,
was generated 0223 UTC, and I happen to typing at 0226 UTC. It's hard to get a
much fresher forecast than that. That thin red line is marked as the view
line, meaning that from around that line, the auroras might be visible as
color on the horizon.
Yesterday, Jan. 17, the Artemis II hardware was rolled to launch pad 39B of
the Kennedy Space Center side of the Cape.
Breaking Space (NASA Spaceflight's) video here, but let me caution that it doesn't show the whole move and doesn't show the
final position.
The thing that's most important here is that preparations for the Artemis II
mission have stepped to the next level. There will be tests performed out on
the pad that can't be done in the more restrictive environments that they've
been working in up to now. For the crews that work well away from the
headlines and get things done, it's exciting.
“These are the kinds of days that we live for when you do the kind of work
that we do,” said John Honeycutt, chair of NASA’s Mission Management Team
for the Artemis II mission. “The rocket and the spacecraft, Orion
Integrity, are getting ready to roll to the pad … It really doesn’t
get much better than this, and we’re making history.”
A topic that doesn't get talked about widely is that the farther they advance
toward the scheduled February 6th launch,
a mindset called "launch fever" begins to affect the entire chain of
command.
Although the phrase isn't widely used, it doesn't take much reading of the
fatal accidents in the past to encounter talk about it without using those two
words. Shuttles Challenger, and Columbia as well as the Apollo 1 fire during a
test on the pad - anything that resulted in the loss of vehicle and crew.
Artemis I back in November of '22 was an unmanned mission, so vitally
important systems like the crew compartment's air system, weren't flight
tested. I've read that before they leave for their translunar injection that
this will be fully tested while in Earth orbit. NASA named the program Artemis
back in 2019, but pieces have been around for 20 years.
NASA selected Orion contractor Lockheed Martin to oversee the development of
a deep space capsule in 2006 as part of the George W. Bush administration’s
soon-to-be canceled Constellation program. In 2011, a political bargain
between the Obama administration and Congress revived the Orion program and
kicked off development of the Space Launch System. The
announcement of the Artemis program
in 2019 leaned on work already underway on Orion and the SLS rocket as the
centerpieces of an architecture to return US astronauts to the Moon.
The Orion capsule flew on a test flight called
ARES 1-X on October 28, 2009, a decade before the Artemis name was chosen. There are good photos
available at that Wikipedia link.
There's still much to be done before launch, and much to be implemented from
Artemis I. They had lots of trouble with the liquid hydrogen fuel that the SLS
uses.
Assuming the countdown rehearsal goes according to plan, NASA could be in a
position to launch the Artemis II mission as soon as February 6. But the
schedule for February 6 is tight, with no margin for error. Officials
typically have about five days per month when they can launch Artemis II,
when the Moon is in the right position relative to Earth, and the Orion
spacecraft can follow the proper trajectory toward reentry and splashdown to
limit stress on the
capsule’s heat shield.
In February, the available launch dates are February 6, 7, 8, 10, and 11,
with launch windows in the overnight hours in Florida. If the mission isn’t
off the ground by February 11, NASA will have to stand down until a new
series of launch opportunities beginning March 6. The space agency has
posted a document
showing all available launch dates and times through the end of April.
The guy in the hot seat for this mission is John Honeycutt mentioned in that
first indented quote above.
One of Honeycutt’s jobs as chair of the Mission Management Team (MMT) is
ensuring all the Is are dotted and Ts are crossed amid the frenzy of final
launch preparations. While the hardware for Artemis II is on the move in
Florida, the astronauts and flight controllers are wrapping up their final
training and simulations at Johnson Space Center in Houston.
“I think I’ve got a good eye for launch fever,” he said Friday.
“As chair of the MMT, I’ve got one job, and it’s the safe return of Reid,
Victor, Christina, and Jeremy. I consider that a duty and a trust, and it’s
one I intend to see through.”
NASA’s 322-foot-tall (98-meter) SLS rocket inside the Vehicle Assembly
Building on the eve of rollout to Launch Complex 39B. Credit: NASA/Joel Kowsky
Or how to tell you've had a bad weekend without going into more
details.
I'm sure most people are saying something along the lines of "what??" Let me
back up a bit and start over.
Something I talk regularly about is my ham radio hobby, and the annual VHF
contests I play in a few times a year. There are several of these contests
over the course of the year, where the goal is to exchange a piece of
information, sometimes two small pieces, and call signs, of course.
Well, the real goal depends on why you're playing in the contest. If you're
trying to win the contest, it's different than if you're trying to contact
places you've never confirmed contact with.
While there are more than these three, the USA's national ham radio
organization, the
American Radio Relay League, puts on three contests per year, June, September and January - around the
second weekend of the month. Without a doubt, I consider the June contest the
best of the year; my results have always been worse than June's in the other
two. The reason June is better is purely that the radio propagation is
regularly among the best of the year. Another group/company - ISTRC it's CQ
Magazine - puts on a July contest and that one is also good.
Long introduction out of the way, the title is my summary of the contest so
far. "I've had worse." At 2PM Eastern (1900 UTC), when the contest
started, the band was better than usual, with stations in New England
coming in strong and steady. As is often the case, the openings weren't to all
of New England, but to a small stripe of the grid squares. I clipped this
image of the grid squares in the area from a US Map that
Icom America gives
away at hamfests.
The exact spots I was hearing varied a bit. Most often I heard the stripe
of FN31 and FN41 north to FN35/FN46. At other times I heard FN00 and 01 in
western Pennsylvania, and FN13 quite often. In my quest to contact every grid
square in the continental US, the four I'm really hoping for in FN are 57 and
65 to 67.
In and out of the shack for a while (making a jar of Mayonnaise to turn into
Caesar salad dressing) and a few other things didn't change the overall
picture of being open to a few of these grid squares, the squares I could hear
just moved down into the SE states, until this evening when the only grids I
heard were peninsular Florida. EL96, 97, 98, 99, EL 87, 88, 89, and EM 00,
which is as far into the NE of Florida as we can get, and includes some of SE
Georgia.
The contest continues until tomorrow night at 0359Z (which is actually
early Monday morning UTC, not Sunday night). That's 10:59 PM Eastern
time. I'll keep the station on and keep trying "asbestos"
possible.
Not the first ever Amazon sats but
Arianespace's first batch of 32 of Amazon's LEO satellites
(formerly called the Kuiper constellation). The reason this gets a story and not just
mention is that this will be the first launch of what they're calling the
Ariane 64, which is an Ariane 6 with four strap on solid rocket
boosters.
The Ariane 6 is fairly well-established for a new launch vehicle,
with five launches, including its debut flight in July 2024. All of
the launches were considered a success, although the first flight failed to
relight the upper stage in order to make a controlled reentry. I'm guessing
declaring it a success was the payload achieved the desired orbit. Given
that they had a full year instead of roughly half a year (first launch in July
'24), Arianespace went from one/year to four launches last year and has set
the goal to eight for this year.
Arianespace has sold 18 Ariane 6 launches to Amazon; this mission, called VA267, will be the first of them. The launch has a
preliminary date of NET February 12th, three weeks from yesterday, January 15,
with no time assigned. The launch will be from Arianespace's launch facility
in French Guiana.
Artist's rendering of Ariane 64 in operation. Image credit: Arianespace
VA267 will be the first flight of Ariane 6 in its full-power Ariane 64
configuration, capable of carrying payloads of more than 20 metric tons to
orbit. The 32 Amazon Leo satellites will be accommodated under a
20-meter-long fairing and delivered by the Ariane 64 rocket to a Low Earth
Orbit.
The Arianespace website adds:
The VA267 launch at a glance:
359th launch by Arianespace, 1st Arianespace launch in 2026
6th Ariane 6 launch and 1st launch of Ariane 64, its most powerful
configuration, and 1st use of Ariane 6's long fairing configuration
1st Arianespace launch for Amazon Leo, within a series of 18
Nothing says "State Of The Art" quite like a graphic of a 50-ish year old
design that was
mothballed 15 years
ago. I was rather surprised to see
this image from a company like Viasat in a Payload daily email. The only reason I can think of for such an image rather than something
that's actually modern boils down the current designs that are flying might
involve royalty payments to the company flying them.
Awkward introduction aside, it does sound like something that might be useful.
For decades, space launch providers have faced the same persistent
challenge: intermittent loss of telemetry data when rockets travel out of
range of ground stations. These “blackouts” can last for minutes—leaving
long and critical periods when vehicle health, performance, and safety
information go dark. Viasat’s HaloNet Launch Telemetry Data Relay Service
(DRS)aims to change that, by providing continuous, global coverage from
ascent through early orbit.
“Whenever anyone launches a multimillion-dollar rocket or a billion-dollar
payload, they need to know the continuous health of that rocket,” said Arnie
Christianson, Senior Director, Program Management, Viasat Government, Space
and Mission Systems. Launch telemetry to ground controllers provides the
equivalent of a car’s dashboard, he explained. “Engine temperature,
trajectory, pressure, performance—it’s how you know everything is working as
intended.”
Again, it might well be useful, but I'm kind of focused on the use of the word
"need" in that first sentence of the second paragraph. I'm sure the
responsible people would like to "know the continuous health of
that rocket," but the thousands of launches that didn't have that continuous
knowledge argues it's a "nice to have" thing but not a "need."
The rest of the short article on Payload gives lots of details justifying
their project, including that gathering this information currently depends on
TDRSS,the Tracking and Data Relay Satellite System, that has been in use since
the 1980s. The first TDRSS satellite was lifted to orbit on Space Shuttle
Challenger. The TDRSS system is aging out and will be retired over the next
decade.
It has nothing to do with the Crew-11 return, the number of flights on one
booster, or the number of launches in the year (it's a new year - last year's
165 launches probably won't be a target until the fourth quarter of the year). No,
this one is
setting a new record for the speed of turning around a launch pad, between Monday's and Today's Starlink missions from Space Launch Complex 40
(SLC-40 or "slick 40").
SpaceX’s launch of its Falcon 9 rocket Wednesday afternoon broke the
turnaround record at its launchpad at Cape Canaveral Space Force Station by
more than five hours.
The Starlink 6-98 mission lifted off at 1:08 p.m. EST (1808 UTC), just 45
hours after the launch of the Starlink 6-97 mission at 4:08 p.m. EST (2108
UTC) on Monday.
The previous record, set in December 2025, was 50 hours and 44 between the
launches of NROL-77 and Starlink 6-90.
We've met Kiko Dontchev, SpaceX Vice President of Launch before, a guy
with an interesting job. He wrote on social media that, “The rocket was
actually ready to fly at roughly 40 hours, but we needed to wait for the
optimal deployment t-zero. Love seeing us continue to improve on our speed,
efficiency, safety and reliability!” Dontchev went on to summarize something
we constantly see about SpaceX: “We once thought it was crazy town to
launch from the same pad in two days. Now it feels crazy not to be launching
from the same pad multiple times a day. Physics is the only constraint.
Everything else is just an engineering challenge waiting to be solved.”
That comparison from thinking it was "crazy town to launch in two days" to not
launching multiple times a day is this week's version of my old observation
that, "remember when we used to wonder if they could make 10 launches on the
same booster?" Now the Fleet Leader, B1067, is at 32 flights and they're going
for 40. A Falcon 9 booster with the one-time crazy goal of 10 launches is now
considered "like new". Today's booster, B1085, was on its 13th flight.
A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 40 (SLC-40) at
Cape Canaveral Space Force Station to begin the Starlink 6-98 mission on Jan.
14, 2026. The flight, which lifted off at 1:08 p.m. EST (1808 UTC) marked the
fastest turnaround of SLC-40 to date with liftoff occurring just 45 hours
after the launch of Starlink 6-97 on Jan. 12. This broke the previous record
by more than five hours. Image: Adam Bernstein/Spaceflight Now
It's not really visible in that photo, but my only issue with the launch was
that our cloud cover was too thick to get a glimpse of the vehicle and the
cold front overhead kept us from hearing the launch rumble.
At 0215 UTC on January 15th, the Crew-11 Dragon is safely in orbit and heading
toward its early morning deorbit burn.
A departure from the normal here due to Scott Adams' passing away sometime
between Monday night and this morning. I've known since it became public that
he had aggressive stage 4 prostate cancer and that it looked like he wasn't
going to make it to the end of 2025. It looks like he got a longer extension
than many. Some of that was undoubtedly personal; perhaps genetics, perhaps
attitudes and we heard several times in his last year that
he was familiar enough with and to people in high places that could help.
Like most, I got to know Scott Adams through Dilbert when the comic first
started making papers and magazines. We have some Dilbert cartoon collections
around the house but I'm not sure about his "real" books. By the time the TV
series came out in 1999, I was a regular who watched every episode. This
clip is one of my all time favorites from Dilbert's world.
Over the years, I've run many Dilbert cartoons.
I posted this on September 8, 2015.
This one was November 25, 2012.
This may be the oldest one I have. It says:
Dilbert for September 30, 1995. Amazingly, I remembered it almost word-for-word.
Of course, this next one spoke to me. Alright, they all did, but this one in a
different sense.
This one affected me for life:
Yes, I have bike shorts and always refer to them as my dorky pants. I used to
have a printed version of this cartoon on my office wall.
Related to companies that patent minor things but sue any company that gets close to their turf.
When talk turned to grade inflation in college, this one had to show up:
I believe that's every Dilbert cartoon I've ever run, and it's a bit of
guaranteed outcome that when I'm looking for some humorous thing to include,
I'll go to cartoons I remember, but it's going to be tough for a while.
I can't claim to have any tremendous insights into Scott as a person. His last
interviews bring some things I can relate to, along with things we'll all face
someday. One of my first quotes from Scott was in
a post in the fourth month
of the blog:
Like Scott Adams says on risk vs reward:
For a manager: Success: you get tons of money. Fail: someone under you gets
laid off.
For an engineer: Success: you get a handsome certificate, suitable for
framing. Fail: think Space Shuttle Challenger, Columbia, Hyatt Regency
walkway. Money lost, possibly large numbers of people die.
Perhaps the most recent risk/reward quote of his will live much longer. From
his final post to X about becoming Christian:
"I'm not a believer but I have to admit the risk-reward calculation for
doing so looks attractive. So here I go," according to the
statement by Adams.
"I accept Jesus Christ as my lord and savior and I look forward to spending
an eternity with him. The part about me being a believer should be quickly
resolved if I wake up in heaven."
So long, Scott. I hope we meet on the other side some day.
During a change of command ceremony broadcast from the ISS, Fincke, 58,
handed over the symbolic key to the space station to Roscosmos cosmonaut
Sergey Kud-Sverchkov, 42. He called the early departure “bittersweet.”
Naturally, the next few days on the ISS are going to be relatively
news-intensive, and we just gotta know that they're not going to have a crew
on the ISS - even a 3 man crew as there will be - without a commanding
officer. Choosing a CO and passing on the chain of command seems essential.
“I just want to say thank you for the first part of Expedition 74, but also
the last part of Expedition 73. It’s been really amazing,” Fincke said. “My
friend Scott Kelly says that spaceflight is the biggest team sport and it’s
true. We got a great time.
“Everybody really rose to the occasion for our expeditions and it’s been
really a pleasure to be here.”
Fincke thanked his crew mates individually, wrapping up his comments by
calling fellow NASA astronaut and fellow member of Crew-11, Zena Cardman,
38, “a rock star, superstar, awesome star.”
The crew-11 team again: in the front row, Mike Fincke, and Japanese astronaut
Kimiya Yui. Back row is Russia's Oleg Platonov, and NASA's Zena Cardman.
The schedule for the departure and return is essentially as
we published Saturday. Crew-11 will undock from the space-facing port of the Harmony module at
approximately 5:00 p.m. EST (2200 UTC) on Wednesday, Jan. 14, and splash down
off the coast of California around 3:40 a.m. EST (0840 UTC) on Thursday, Jan.
15.
The early departure of CREW-11 will leave the ISS with only three people on
board,Roscosmos cosmonaut Sergey Kud-Sverchkov, 42, the new commander, NASA
astronaut Chris Williams, 42, a Harvard-educated physician, and another
cosmonaut: Sergey Mikayev, 39. Crew-12's launch date hasn't been officially announced but NextSpaceflight has moved the date from NET February 12 to February 15th.
Ride sharing into orbit is one the best ways to come along to "spread the
wealth" of the lower costs to orbit that are available to colleges, small
businesses, and those who used to have a hard time getting an idea into space to test.
SpaceX already had two ride sharing mission profiles, Transporter and
Bandwagon, that vary in the specifics of the orbits they're intended
for. To date, the company has launched 15 ride sharing flights in its Transporter
series and four via Bandwagon.
Today marked the first launch of a third profile,
called "Twilight,"
because it delivers the satellites to a dusk-dawn sun-synchronous orbit, a
path that straddles the line between night and day on our planet. The mission
launched from Vandenberg Space Force Base in California at 5:44 AM local time.
The primary payload of the mission is a NASA satellite called
Pandora, intended for a yearlong mission to study planets outside of our solar
system, referred to as exoplanets.
During its yearlong orbital mission, the 716-pound (325 kilograms) Pandora
will study at least 20 known exoplanets using a 17-inch-wide (45
centimeters) telescope, which it will train on the worlds as they "transit,"
or cross the face of, their host stars from the satellite's perspective.
(Unless there's something really unusual about this telescope, astronomers
refer to a "17-inch-wide" telescope as 17-inch aperture.) Like virtually all
observational studies of exoplanets, the Pandora telescope will image these
stars to look for planets passing in front of their star from our viewpoint.
Not only do these occultations provide an observable small dimming of the
star's light proportional to the diameter of the planet compared to the
star's, they also allow astronomers to analyze the exoplanets' atmospheres.
Different elements and molecules absorb light at specific wavelengths, so
studying the spectrum of the star's light before and during the time when the
planet passes in front of the star can reveal a great deal about that
atmosphere's composition.
Part of the complexity of the mission is that the star itself contributes data, so
they need to analyze that to correct for the star's contribution. A common source of more information is sunspots.
"Pandora aims to disentangle the star and planet spectra by monitoring the
brightness of the exoplanet's host star in visible light while
simultaneously collecting infrared data," NASA officials wrote in a
mission description. "Together, these multiwavelength observations will provide constraints on
the star's spot coverage to separate the star's spectrum from the
planet's."
Pandora will focus on planets with atmospheres that are dominated by water
or hydrogen, agency officials added.
There were 40 satellites onboard the ride sharing mission, a mixture
of 10 of Kepler Communications' Aether spacecraft and two of Capella
Space's advanced new
Acadia
Earth-imaging radar satellites. That still leaves 28 satellites we have no information on.
This booster flew on its fifth mission, and landed back at Vandenberg
successfully a bit over eight minutes after launch.
Space.com has
a post they've been updating as the day goes by with the latest news
on the ISS astronaut medical evacuation. The preparations for the Crew Dragon
have begun, and everything takes place between this Wednesday afternoon and
Thursday morning or Jan. 14 and 15. For convenience (or laziness), I copied the
schedule they've printed and just posted it as graphic.
"Mission managers continue monitoring conditions in the recovery area, as
undocking of the SpaceX Dragon depends on spacecraft readiness, recovery
team readiness, weather, sea states, and other factors," NASA wrote in an
update. "NASA and SpaceX will select a specific splashdown time and location
closer to the Crew-11 spacecraft undocking."
The return will be livestreamed - as it generally is - but not continually
through the 5PM undocking and departure until 2:15 AM beginning of
coverage.
Mike Fincke and Zena Cardman are the two who were scheduled for the Jan. 8
Spacewalk that was cancelled and led to the station evacuation, so one of
those two is the one with the condition that caused the mission evacuation.
We've entered into the mental landmark that we're within four weeks of the
start of the Artemis II mission to loop around the moon and, as every story
says, the first time astronauts have gone beyond Earth Orbit since the end of the
Apollo 17 mission in December 1972. Launch is currently scheduled for
NET Friday, February 6, at 9:45 PM EST. That is one day later than I've been listing for months.
Something that was going on without mention in the emails I get or sites I check
regularly is that NASA’s new administrator, Jared Isaacman, called together a review of the
Orion heat shield issues
that showed up after the first Artemis mission. Afterward, Isaacman said he
has “full confidence” in the space agency’s plans to use the existing heat
shield to protect the Orion spacecraft during its upcoming lunar mission.
“We have full confidence in the Orion spacecraft and its heat shield,
grounded in rigorous analysis and the work of exceptional engineers who
followed the data throughout the process,” Isaacman said Thursday.
The Artemis I mission was in November of 2022, so just over 3 years ago, and
the agency was roundly criticized for how it handled the heat shield issues.
The pictures of the heat shield with chunks of ablative material blasted out
of it didn't surface until nearly a year and a half after the mission.
The inspector general’s report, released on May 1, 2024, included new images
of Orion’s heat shield. Credit: NASA Inspector General
After taking the job in Washington, DC, Isaacman asked the engineers who
investigated the heat shield issue for NASA, as well as the chair of the
independent review team and senior human spaceflight officials, to meet with
a handful of outside experts. These included former NASA astronauts Charles
Camarda and Danny Olivas, both of whom have expertise in heat shields and
had expressed concerns about the agency’s decision-making.
...
Convened in a ninth-floor conference room at NASA Headquarters known as the
Program Review Center, the meeting lasted for more than three hours.
Isaacman attended much of it, though he stepped out from time to time to
handle an ongoing crisis involving an unwell astronaut on orbit. He was
flanked by the agency’s associate administrator, Amit Kshatriya; the
agency’s chief of staff, Jackie Jester; and Lori Glaze, the acting associate
administrator for NASA’s Exploration Systems Development Mission
Directorate. The heat shield experts joined virtually from Houston, along
with Orion Program Manager Howard Hu.
Isaacman made it clear at the outset that, after reviewing the data and
discussing the matter with NASA engineers, he accepted the agency’s decision
to fly Artemis II as planned. The team had his full confidence, and he hoped
that by making the same experts available to Camarda and Olivas, it would
ease some of their concerns.
To help ensure transparency, Isaacman added two independent reporters to the
mix, Eric Berger of Ars Technica and Micah Maidenberg of The Wall Street
Journal. They were allowed to report on the discussions but required to not
quote participants directly by name to encourage a full and open
discussion.
Perhaps the most striking revelation was what the NASA engineers called
“what if we’re wrong” testing.
At the base of Orion, there are 186 blocks of a material called Avcoat,
individually attached to provide a protective layer that allows the
spacecraft to survive the heating of atmospheric reentry. Returning from the
Moon, Orion encounters temperatures of up to 5,000° Fahrenheit (2,760°
Celsius). A char layer that builds up on the outer skin of the Avcoat
material is supposed to ablate, or erode, in a predictable manner during
reentry. Instead, during Artemis I, fragments fell off the heat shield and
left cavities in the Avcoat material.
Work by Saucedo and others—including substantial testing in ground
facilities, wind tunnels, and high-temperature arc jet chambers—allowed
engineers to find the cause of gases becoming trapped in the heat shield,
leading to cracking. This was due to the Avcoat material being
“impermeable,” essentially meaning it could not breathe.
After considering several options, including swapping the heat shield out
for a newer one with more permeable Avcoat, NASA decided instead to change
Orion’s reentry profile. For Artemis II, it would return through Earth’s
atmosphere at a steeper angle, spending fewer minutes in the environment
where this outgassing occurred during Artemis I. Much of Thursday’s meeting
involved details about how the agency reached this conclusion and why the
engineers deemed the approach safe.
A test block of Avcoat undergoes heat pulse testing inside an arc jet test
chamber at NASA’s Ames Research Center in California. The test article,
configured with both permeable (upper) and non-permeable (lower) Avcoat
sections for comparison, helped to confirm an understanding of the root cause
of the loss of charred Avcoat material on Artemis I. Credit: NASA
The Avcoat blocks, which are about 1.5 inches thick, are laminated onto a
thick composite base of the Orion spacecraft. Inside this is a titanium
framework that carries the load of the vehicle. The NASA engineers wanted to
understand what would happen if large chunks of the heat shield were
stripped away entirely from the composite base of Orion. So they subjected
this base material to high energies for periods of 10 seconds up to 10
minutes, which is longer than the period of heating Artemis II will
experience during reentry.
What they found is that, in the event of such a failure, the structure of
Orion would remain solid, the crew would be safe within, and the vehicle
could still land in a water-tight manner in the Pacific Ocean.
“We have the data to say, on our worst day, we’re able to deal with that if
we got to that point,” one of the NASA engineers said.
After more than two years of testing and analysis of the char loss issue,
the NASA engineers are convinced that, by increasing the angle of Orion’s
descent during Artemis II, they can minimize damage to the heat shield.
During Artemis I, as the vehicle descended from about 400,000 to 100,000
feet, it was under a “heat load” of various levels for 14 minutes. With
Artemis II, this time will be reduced to eight minutes.
This may seem contradictory, but despite all this testing, the heat shield
being accepted, and everyone feeling it's not exceptionally risky to ride it
for reentry, there also seems to be a widespread feeling that they would rather not fly on it. I read that as saying there's nothing that shows extreme
danger, but they're just not comfortable that they've tested every condition
they should test. What if there were conditions that were encountered in
Artemis I that didn't show up in the tests they've done? Nature isn't that
cooperative - maybe there's noise, some sort of random fluctuations, and
testing with the systems they're using doesn't exactly match what the heat
shield might encounter on its flight?
The Orion heat shield as seen after the Artemis I flight. Credit: NASA
For those who don't remember, Crew-11 was the replacement mission for Crew-9
which was the rescue mission for the Starliner astronauts, Butch Wilmore
and Suni Williams. This was done by taking two astronauts off the Crew-9,
mission commander Zena Cardman and mission specialist Stephanie Wilson to
allow two seats for the stranded astronauts. Zena Cardman was soon
assigned to Crew-11; Stephanie Wilson was not.
The crew of NASA’s SpaceX Crew-11 on the International Space Station.
Clockwise from top left are: NASA's Mike Fincke, Zena Cardman, Russia's Oleg
Platonov and Japan's Kimiya Yui. (Image credit: NASA)
Cardman and Mike Fincke were the two scheduled for the spacewalk that has
been postponed, so the medically affected crew member is one of those two, but
out of respect for privacy, NASA has not officially named the crew member.
They officially emphasize that the patient is stable, but that's all we know.
'"It is not an emergency de-orbit, even though we always retain that
capability, and NASA and our partners train for that routinely,"
recently confirmed
NASA Administrator Jared Isaacman told reporters during a press conference
on Thursday.
"The capability to diagnose and treat this properly does not live on the
International Space Station," Isaacman added, explaining why he ultimately
decided to speed up the departure timeline.
Crew-11 launched August 1st, and was scheduled to be replaced around February 20th, so cutting the mission short by around six weeks isn't a big impact and may have helped the decision. Crew-12 is reported to be launching NET February 12.
There is no word yet on when Crew-11 will return or if 12 will be moved forward.
Dr. James Polk, NASA's chief health and medical officer, said that the
issue had nothing to do with the spacewalk or preparations for it, apparently alluding to the incident in 2021 when a crew member was unable to start a spacewalk due to a pinched nerve.
"This is not an operational issue. This was not an injury that occurred
in the pursuit of operations," Polk said. "It's mostly having a medical
issue in the difficult areas of microgravity, and with the suite of hardware that we have at our avail to complete a diagnosis."
In retrospect, the fact that there hasn't been a medical evacuation in the history of the ISS is really remarkable. The ISS has been continuously inhabited since November of 2000. Dr. Polk says that statistical analysis says they'd have one around every 3 years. Or so.
Just a couple of stories that standout above the noise to me
Remember Rocketdyne?
It's sort of a trick question, but with a point. Rocketdyne was one of the big names in the Space 1.0 days. They were
founded in 1955 - over 70 years ago. They aren't quite gone now,
but I wouldn't be surprised to see them gone by 2030.
A half-century ago, Rocketdyne manufactured almost all of the large
liquid-fueled rocket engines in the United States. The Saturn V rocket that
boosted astronauts toward the Moon relied on
powerful engines
developed by Rocketdyne, as did the Space Shuttle, the Atlas, Thor, and
Delta rockets, and the US military’s earliest ballistic missiles.
Rocketdyne’s dominance began to erode after the end of the Cold War. The
company started in 1955 as a division of North American Aviation, then
became part of Rockwell International until Boeing acquired Rockwell’s
aerospace division in 1996. Rocketdyne continually designed and tested large
new rocket engines from the 1950s through the 1980s. Since then, Rocketdyne
has developed and qualified just one large engine design from scratch—the RS-68—and it
retired from service
in 2024.
The company was first sold by ULA in 2005 for $700 million (about $1.2
billion today). This was about six years before the end of the Space Shuttle
program and around the startup of SpaceX - launching their first experimental
launches.
There are at least nine medium to large liquid-fueled rocket engines in
production or in advanced development in the United States today, and just
one of them is from the enterprise once known as Rocketdyne:
the RS-25 engine
used to power the core stage of NASA’s Space Launch System (SLS) rocket.
The RS-25 is often referred to as the SSME - Space Shuttle Main Engine - and
all of the engines set to fly on the Space Launch System are not just the same
model, they are all "used" engines that have previously flown on Shuttle
missions.
It's interesting that United Launch Alliance, Rocketdyne's big customer after
the end of the shuttle program, abandoned them in favor of Blue Origin's
engines for their Vulcan rocket.
The parent company of Aerojet purchased Rocketdyne in 2013 to form Aerojet
Rocketdyne. L3Harris closed its acquisition of Aerojet Rocketdyne in 2023,
creating a space propulsion and power systems business unit and retiring the
historic Rocketdyne name. Now, just two-and-a-half years later,
L3Harris announced Monday
it is selling a 60 percent stake in its newly created propulsion and power
business to AE Industrial Partners, a Florida-based private equity firm.
L3Harris will retain 40 percent ownership.
The RS-25 is not part of this sale. Apparently, Rocketdyne is holding onto a
dream of an SLS add-on contract to build the RS-25s as "Cost Plus."
There is another big portion of the Rocketdyne market that hasn't been
mentioned, the RL10 upper stage engine used on ULA's Vulcan. AE Industrial
Partners has talked up the idea of modernizing the engine in the West Palm
Beach (Florida) plant that builds them. It sounds like they need to modernize
the way the engines are built.
RL10s have flown on rockets since the 1960s and historically required
significant touch labor and manual fabrication, driving up their cost.
3I/ATLAS isn't an alien spacecraft, astronomers confirm
The amount of silly stuff floating around about this comet surprised me - and
not just the amount, but some of the sources surprised me, too. While it would
have been far more interesting to me to be evidence of an advanced
civilization sending out probes than to just be another rock passing in the
night, there were just too many issues with the evidence for that.
Astronomers used the Green Bank Telescope, employed in the
Breakthrough Listen
extraterrestrial signal-hunting astronomy project, to search 3I/ATLAS for
measurable signs of technology from extraterrestrial civilizations, or "technosignatures."
"We all would have been thrilled to find technosignatures coming from
3I/ATLAS, but they're just not there," lead researcher Benjamin
Jacobson-Bell from the University of California, Berkeley, told Space.com.
"Finding no signals was the result we expected, due to the significant
evidence for 3I/ATLAS being a comet with only natural features.
"The evidence was against 3I/ATLAS being one such probe, but we would have
been remiss not to check."
Here on the blog, we've had little discussion about this, but I'll borrow
something I wrote in a comment back around the start of the controversy:
Why do I think it's basically just another rock? Because it's acting like a
rock. It's on a purely ballistic trajectory. It's moving fast compared to
things we're used to observing - which is, after all, the last few years of
human history - but it's not moving fast compared to the speeds required for
living beings to cover the distances it has come. Good old Wikipedia says
it's moving at 58km/sec or 0.000193c. We don't know where it came from, but
even if it came from the closest stars at 4 light years away, that means
more than 20,000 years to get here. Who's going to launch a system that
slow, and why? What kind of system could work over 20,000 years without
failing? If they wanted to take over our solar system or take our planet, if
they have lifespans similar to ours, 20,000 years makes coming here to take
over pretty much impossible.
Comet 3I/ATLAS streaks across a dense star field in this image captured by the
Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in
Chile. The multicolored streaks are stars in the background of the image.
(Image credit: International Gemini Observatory/NOIRLab/NSF/AURA/Shadow the
ScientistImage Processing: J. Miller & M. Rodriguez (International
Gemini Observatory/NSF NOIRLab), T.A. Rector (University of Alaska
Anchorage/NSF NOIRLab), M. Zamani (NSF NOIRLab))
3i/Atlas was fun, and moderately interesting. I never looked at it myself, but
that's true of almost all of the barely visible comets that come through the solar
system in any given year.