PPRuNe Forums

PPRuNe Forums (https://www.pprune.org/)
-   Space Flight and Operations (https://www.pprune.org/space-flight-operations-58/)
-   -   ISS (https://www.pprune.org/space-flight-operations/639456-iss.html)

treadigraph 23rd March 2021 19:32

ISS
 
Just popped outside to see the majestic passage of the ISS for the first time in several months - sailed right past the moon.

Curious thing, I often get the impression I can see the occasional flashing light, like a strobe close to it - I assume this is just some kind of optical illusion, something to do with my vision or whatever. There was also an interesting comet tail of light opposite the moon tonight as it passed by, but I'm pretty sure that was caused by reflections or smears on me specs!

TURIN 28th March 2021 21:51

Some great montage images and video here of the lunar transit.

/

ORAC 24th November 2021 18:35

Russia Launches new useless ISS docking module…..

https://www.nasaspaceflight.com/2021/11/prichal-launch/

Russia launches new docking node to space station

Rgoscosmos launched a new docking node module to the International Space Station (ISS) on Wednesday, November 24 at 13:06 UTC / 8:06 am EST.

Launching from the Baikonur Cosmodrome in Kazakhstan, the module will add additional docking ports to the Russian Segment of the station to provide options for future expansion but is the final Russian model planned for the outpost.

The original design for the Russian Segment of the ISS called for a Universal Docking Module (UDM) to expand the Russian Segment’s available docking ports for the addition of future modules. This module was canceled early in the ISS program due to budget issues.

However, out of the UDM concept grew a new proposal for a Nodal Module (NM), which would provide the Russian Segment with expansion options since all of its docking ports were either in use or reserved for visiting spacecraft.

The node, named Prichal (“pier”), marks a departure from the previous concept of Russian station design, which typically included a core module (which, in the case of ISS, is Zvezda) with an attached spherical docking compartment to which all other modules are docked.

The problem with this design is that it makes the core module an irreplaceable part of the station, as all the other modules would have to be undocked from the core module for the core to be replaced — something which is not technically feasible once all modules have been integrated.

This means that as the core module ages and its systems begin to fail, there is no option but to build a brand-new station, even though the other modules may be newer and perfectly functioning.

The Node Module concept essentially separates the spherical docking compartment from the core module and makes it into a standalone element. All station modules would then dock to the Node Module, the idea being that each module is then replaceable without having to undock them all.

In this sense, Prichal is essentially the Russian equivalent of the Node modules found on the US segment of the station.

It was originally planned that two Science & Power Modules (NEMs) would be docked to Prichal as part of an expansion of the Russian Segment, with a view to then one day separate from the ISS into a free-flying station.

However, in April 2021, Roscosmos announced that the NEMs are no longer planned for the ISS and will instead form part of a new independent Russian space station for which a new Node Module would be built.

Therefore, while Prichal is an interesting module in many ways, it is already essentially a module without a purpose as it does not, in itself, add any additional capabilities to the ISS over what the station already has…..

ORAC 15th December 2022 22:10

An uncontrolled leak on docked Soyuz means 3 astronauts have no emergency escape vehicle. A manned replacement will have to be sent - unless SpaceX can fill the gap.

https://arstechnica.com/science/2022...-monday-night/


ORAC 31st March 2023 05:19

https://www.nasaspaceflight.com/2023...-ms-22-return/

Damaged Soyuz MS-22 craft returns home uncrewed

The Soyuz MS-22 spacecraft Konstantin Tsiolkovsky, which launched Expedition 68 crewmembers Sergey Prokopyev, Dmitry Petelin, and NASA’s Frank Rubio on Sept. 21, 2022, returned to Earth in automated mode after suffering a leak in a coolant loop last December.…

The coolant loop aboard the Soyuz spacecraft had lost all of its fluid, and a 0.8 mm hole was found in the vehicle’s service module. As a result, the ISS program had to make some important decisions quickly while the spacecraft’s damage was being analyzed. The Soyuz MS-23 flight would now launch to the Station in an automated mode, without crew, as the MS-22 crew’s stay would be extended from this spring to September.…

Before Soyuz MS-23 docked at the Station,
Progress MS-21 also suffered a coolant leak of its own from its service module.The leaks on both spacecraft had occurred after approximately three months in orbit, and both the uncrewed Progress and crewed Soyuz vehicles use the same service module architecture…..

After the MS-22 coolant leak in December, it was thought that it was caused by a micrometeoroid impact. However, the Progress MS-21 leak caused speculation regarding a systemic fault in current Soyuz-based vehicles…..



https://cimg7.ibsrv.net/gimg/pprune....6f5294a2c7.png


ORAC 13th June 2024 12:27

Incredible picture of the ISS by Maxar. Shows 6 different spacecraft docked for the first time ever: SpaceX Dragon, Boeing Starliner, Cygnus, Soyuz, 2x Progress.

They did it by taking one of their Legion satellites —which normally do Earth observation— and pointing it up towards LEO.


https://cimg6.ibsrv.net/gimg/pprune....c6e3f55c1.jpeg

​​​​​​​

treadigraph 14th June 2024 10:35

Absolutely wonderful pic but I have to admit I have absolutely no idea which bits are docked and which bits are yer actual space station! :}

It reminds me of the modern interpretation of Nick Mason's original cover illustration for Relics when Pink Floyd released it on CD...

DuncanDoenitz 14th June 2024 11:12


Originally Posted by treadigraph (Post 11676254)
Absolutely wonderful pic but I have to admit I have absolutely no idea which bits are docked and which bits are yer actual space station! :}

The docked spacecraft are the shiney bits at the front. Or possibly the back.

Just inboard of the ailerons.

Jhieminga 14th June 2024 16:18

Does this help?

https://cimg4.ibsrv.net/gimg/pprune....59d80be741.jpg

From:

The Maxar photo shows the Starliner at the bottom right with the Crew-8 Dragon just above it pointing towards the camera. The two Progress ships at the top left are also visible, the rest is hidden on the other side of the station.

ORAC 27th June 2024 08:28

Mind you, the Starship has the same internal volume, so they can replace it at the same time…..

https://www.nasa.gov/news-release/na...orbit-vehicle/

NASA Selects International Space Station US Deorbit Vehicle

…..NASA announced SpaceX has been selected to develop and deliver the U.S. Deorbit Vehicle that will provide the capability to deorbit the space station and ensure avoidance of risk to populated areas.

“Selecting a U.S. Deorbit Vehicle for the International Space Station will help NASA and its international partners ensure a safe and responsible transition in low Earth orbit at the end of station operations. This decision also supports NASA’s plans for future commercial destinations and allows for the continued use of space near Earth,” said Ken Bowersox, associate administrator for Space Operations Mission Directorate at NASA Headquarters in Washington.

“The orbital laboratory remains a blueprint for science, exploration, and partnerships in space for the benefit of all.”

While the company will develop the deorbit spacecraft, NASA will take ownership after development and operate it throughout its mission. Along with the space station, it is expected to destructively breakup as part of the re-entry process……

ORAC 27th September 2024 17:18

https://arstechnica.com/space/2024/0...emic-problems/

As leaks on the space station worsen, there’s no clear plan to deal with them

"We heard that basically the program office had a runaway fire on their hands."

NASA and the Russian space agency, Roscosmos, still have not solved a long-running and worsening problem with leaks on the International Space Station.

The microscopic structural cracks are located inside the small PrK module on the Russian segment of the space station, which lies between a Progress spacecraft airlock and the Zvezda module.

After the leak rate doubled early this year during a two-week period, the Russians experimented with keeping the hatch leading to the PrK module closed intermittently and performed other investigations. But none of these measures taken during the spring worked.

"Following leak troubleshooting activities in April of 2024, Roscosmos has elected to keep the hatch between Zvezda and Progress closed when it is not needed for cargo operations," a NASA spokesperson told Ars. "Roscosmos continues to limit operations in the area and, when required for use, implements measures to minimize the risk to the International Space Station."

What are the real risks?

NASA officials have downplayed the severity of the leak risks publicly and in meetings with external stakeholders of the International Space Station. And they presently do not pose an existential risk to the space station. In a worst-case scenario of a structural failure, Russia could permanently close the hatch leading to the PrK module and rely on a separate docking port for Progress supply missions.

However, there appears to be rising concern in the ISS program at NASA's Johnson Space Center in Houston. The space agency often uses a 5x5 "risk matrix" to classify the likelihood and consequence of risks to spaceflight activities, and the Russian leaks are now classified as a "5" both in terms of high likelihood and high consequence. Their potential for "catastrophic failure" is discussed in meetings.

In responding to questions from Ars by email, NASA public relations officials declined to make program leaders available for an interview. The ISS program is currently managed by Dana Weigel, a former flight director. She recently replaced Joel Montalbano, who became deputy associate administrator for the agency’s Space Operations Mission Directorate at NASA Headquarters in Washington.
One source familiar with NASA's efforts to address the leaks confirmed to Ars that the internal concerns about the issue are serious. "We heard that basically the program office had a runaway fire on their hands and were working to solve it," this person said. "Joel and Dana are keeping a lid on this."

US officials are likely remaining quiet about their concerns because they don't want to embarrass their Russian partners. The working relationship has improved since the sacking of the pugnacious leader of Russia's space activities, Dmitry Rogozin, two years ago. The current leadership of Roscosmos has maintained a cordial relationship with NASA despite the high geopolitical tensions between Russia and the United States over the war in Ukraine.

The leaks are a sensitive subject. Because of Russian war efforts, the resources available to the country's civil space program will remain flat or even decrease in the coming years. A dedicated core of Russian officials who value the International Space Station partnership are striving to "make do" with the resources they have to maintain its Soyuz and Progress spacecraft, which carry crew and cargo to the space station respectively, and its infrastructure on the station. But they do not have the ability to make major new investments, so they're left with patching things together as best they can.

Aging infrastructure

At the same time, the space station is aging. The Zvezda module was launched nearly a quarter of a century ago, in July 2000, on a Russian Proton rocket. The cracking issue first appeared in 2019 and has continued to worsen since then. Its cause is unknown.

"They have repaired multiple leak locations, but additional leak locations remain," the NASA spokesperson said. "Roscosmos has yet to identify the cracks’ root cause, making it challenging to analyze or predict future crack formation and growth."

NASA and Russia have managed to maintain the space station partnership since Russia's invasion of Ukraine in February 2022. The large US segment is dependent on the Russian segment for propulsion to maintain the station's altitude and maneuver to avoid debris. Since the invasion, the United States could have taken overt steps to mitigate against this, such as funding the development of its own propulsion module or increasing the budget for building new commercial space stations to maintain a presence in low-Earth orbit.

Instead, senior NASA officials chose to stay the course and work with Russia for as long as possible to maintain the fragile partnership and fly the aging but venerable International Space Station. It remains to be seen whether cracks—structural, diplomatic, or otherwise—will rupture this effort prior to the station's anticipated retirement date of 2030.

ORAC 27th March 2025 07:01

https://arstechnica.com/space/2025/0...o-launch-site/

After a spacecraft was damaged en route to launch, NASA says it won’t launch

Three weeks ago, NASA revealed that a shipping container protecting a Cygnus spacecraft sustained "damage" while traveling to the launch site in Florida.

Built by Northrop Grumman, Cygnus is one of two Western spacecraft currently capable of delivering food, water, experiments, and other supplies to the International Space Station. This particular Cygnus mission, NG-22, had been scheduled for June. As part of its statement in early March, the space agency said it was evaluating the NG-22 Cygnus cargo supply mission along with Northrop.

On Wednesday, after a query from Ars Technica, the space agency acknowledged that the Cygnus spacecraft designated for NG-22 is too damaged to fly, at least in the near term.

Loading up Dragon

"Following initial evaluation, there also is damage to the cargo module," the agency said in a statement. "The International Space Station Program will continue working with Northrop Grumman to assess whether the Cygnus cargo module is able to safely fly to the space station on a future flight." That future flight, NG-23, will launch no earlier than this fall.

As a result, NASA is modifying the cargo on its next cargo flight to the space station, the 32nd SpaceX Cargo Dragon mission, due to launch in April. The agency says it will "add more consumable supplies and food to help ensure sufficient reserves of supplies aboard the station" to the Dragon vehicle.

As it mulls stopgap measures, one option available to NASA may be to try to slot in a cargo mission on Boeing's Starliner spacecraft. After the propulsion issues experienced on Starliner's first crew flight to the space station last June, NASA is still evaluating whether the vehicle can be certified for an operational crew mission, or whether it would be better to perform an uncrewed test flight.

In such a scenario, Starliner could ferry cargo to the space station. However, Starliner would be competing with SpaceX crew missions for docking ports, and there would be limited time frames when the vehicle could fly.

Limited options amid development delays

NASA also has Sierra Nevada's Dream Chaser spacecraft on its internal schedule for a May launch this year. This is a new vehicle intended to carry cargo to the space station under the agency's Commercial Cargo program. However, that spacecraft is not yet ready for its debut flight, nor is there a Vulcan rocket available within the next several months to launch it. A Dream Chaser mission later this year remains possible, if unlikely.

All of the roads for cargo supply, therefore, lead back to Dragon. As a result of Dream Chaser's delays, Starliner's problems, and the dropped Cygnus, NASA is now almost entirely reliant on SpaceX's Falcon 9 rocket and Dragon spacecraft to get its astronauts to the space station and to feed them.

Crew Dragon remains the only vehicle certified by NASA for human flights to the station. On the cargo side, Northrop Grumman is developing a new rocket with Firefly, but in the meantime, has been using the Falcon 9 to launch Cygnus. With Cygnus now sidelined for at least half a year, every non-Russian vehicle flying to the space station will be built by SpaceX.

ORAC 14th June 2025 10:30

https://arstechnica.com/space/2025/0...much-about-it/

There’s another leak on the ISS, but NASA is not saying much about it

There's another leak on the International Space Station, and NASA has already delayed one crew launch to the orbiting laboratory as a result.

Beyond that, the space agency is not offering much information about the unfolding situation in orbit. However, multiple sources have confirmed to Ars that the leak is a serious concern for the space agency as it deals with hardware that is approaching three decades in orbit.

To understand the current situation, it is important to review past leaks on the station, which has an aluminum structure. The station has had a slow but increasing leak since 2019. The air leaks are located in the transfer tunnel of the space station's Russian Zvezda service module, one of the oldest elements of the complex, the first elements of which were launched in 1998. The transfer tunnel, known by the Russian acronym PrK, connects the Zvezda module with a docking port where Soyuz crew and Progress resupply spacecraft attach to the station.

From time to time, Russian cosmonauts have experimented with repairs to the small cracks, but they have generally only slowed the progression of the leak, which amounts to a couple of pounds of air per day. The best solution has been to close the hatch leading to the PrK module except when spacecraft dock with the attached port.

So what’s going on?

Roscosmos recently confirmed that it completed its most recent repairs on the PrK module earlier this month, saying it had been "completely sealed." NASA has also said that repairs were recently wrapped up. After this, both Roscosmos and NASA said the leak rate inside the PrK module had halted.

This seems like good news. However, the overall air pressure in the space station at large continued to drop, according to two sources. So if the PrK module was not leaking, as it had been doing for half a decade, why was the space station still losing air pressure?

No one is certain. The best guess is that the seals on the hatch leading to the PrK module are, in some way, leaking. In this scenario, pressure from the station is feeding the leak inside the PrK module through these seals, leading to a stable pressure inside—making it appear as though the PrK module leaks are fully repaired.

At this point, NASA is monitoring the ongoing leak and preparing for any possibility. A senior industry source told Ars that the NASA leadership of the space station program is "worried" about the leak and its implications.

This is one reason the space agency delayed the launch of a commercial mission carrying four astronauts to the space station, Axiom-4, on Thursday.

"The postponement of Axiom Mission 4 provides additional time for NASA and Roscosmos to evaluate the situation and determine whether any additional troubleshooting is necessary," NASA said in a statement. "A new launch date for the fourth private astronaut mission will be provided once available."

One source indicated that the new tentative launch date is now June 18. However, this will depend on whatever resolution there is to the leak issue.

What’s the worst that could happen?

The worst-case scenario for the space station is that the ongoing leaks are a harbinger of a phenomenon known as "high cycle fatigue," which affects metal, including aluminum. Consider that if you bend a metal clothes hanger once, it bends. But if you bend it back and forth multiple times, it will snap. This is because, as the metal fatigues, it hardens and eventually snaps. This happens suddenly and without warning, as was the case with an Aloha Airlines flight in 1988.

The concern is that some of these metal structures on board the station could fail quickly and catastrophically. Accordingly, in its previous assessments, NASA has classified the structural cracking issue on the space station as the highest level of concern on its 5v5 risk matrix to gauge the likelihood and severity of risks to the space station.

In the meantime, the space agency has not been forthcoming with any additional information. Despite many questions from Ars Technica and other publications, NASA has not scheduled a press conference or said anything else publicly about the leaks beyond stating, "The crew aboard the International Space Station is safely conducting normal operations."

ORAC 17th September 2025 05:49

………………

NG-23: The Brand-New Cygnus XL is facing some trouble with its engine.

NASA: "Early Tuesday morning, Cygnus XL’s main engine stopped earlier than planned during two burns designed to raise the orbit of the spacecraft".

Neither Northrop Grumman nor NASA has reported any reason for the premature shutdown, or an updated schedule forward. Flight controllers are currently working on an "alternate burn plan".

The previous Cygnus to actually fly, NG-21, also suffered thruster problems, missing its first burn, and then aborting the rescheduled burn after engine ignition due to a slightly low initial pressure state. NG-21 however was able to stick to its original schedule - NG-23 is not. This also follows NG-18 in 2022, when one of the solar arrays failed to deploy correctly.

On the ground, the NG-22 mission was delayed indefinitely following damage sustained during shipping from Italy to the United States.

​​​​​​​At around 18:20 UTC this evening, MCC-Houston held a private conference with the crew aboard Station to discuss Cygnus. Details were little to none on the public loops, just that a "Cygnus conference" would take place on Space to Ground 3.

NSF has reached out to NASA and Northrop for more information.

ORAC 18th September 2025 09:37

..............

​​​​​​​Update: NASA and Northrop Grumman are targeting the safe arrival of the company’s Cygnus XL at approximately 7:18 a.m. EDT Thursday, Sept. 18, to the International Space Station.

The Cygnus XL will now conduct a series of burns to bring the spacecraft to the space station for its robotic capture and installation.

On Sept. 16, Cygnus XL commanded the main engine to shutdown earlier than planned during two, non-sequential rendezvous burns (delta velocity burns 3 and 5), designed to raise the orbit of the spacecraft for rendezvous with the space station. Cygnus XL’s trajectory placed the spacecraft a safe distance behind the space station while engineers assessed the spacecraft and developed its alternate burn plan.

Data shared by the spacecraft confirmed that Cygnus XL operated as intended during two planned maneuvers when an early warning system initiated a shutdown command and ended the main engine burn because of a conservative safeguard in the software settings.


ORAC 26th September 2025 03:48

ISS Reboost Abort: At ~17:39 UTC, a reboost using Dragon C211 was attempted. Per the nets, the expected burn time was 19.5 minutes.

Approximately 3.5 minutes in, the reboost was "stopped" due to "being on unexpected tanks".

The vehicle was in a safe state at cutoff.

Note: This burn has been planned since at least Monday - likely before.

ORAC 27th September 2025 10:24

ISS Reboost: Update from NASA. Nominal burn.

"The SpaceX Dragon cargo spacecraft fired its Draco thrusters, located in the vehicle’s trunk, for 15 minutes on Friday reboosting the International Space Station’s orbit for the third time this month.

"The reboost maneuvers lifted the orbital outpost’s altitude to prepare for Soyuz crew swap operations later this year."

ORAC 1st October 2025 11:27

NASA Office of Inspector General: Astronauts depend on spacesuits to keep them safe when they perform spacewalks. But the current suits were designed more than 50 years ago!

Our new report reveals how this aging design creates challenges for NASA and its contractor, Collins Aerospace:


To ensure the continued operations of the International Space Station and the safety of the crew, NASA and its spacesuit support contractor must ensure the suits used for spacewalks, designed more than 50 years ago, are well-maintained and reliable.

The contractor, Collins Aerospace, has struggled to ensure sufficient life support components for the suits are delivered when needed and within budget and that meet quality expectations.

While Collins’ performance over the last several years has declined, NASA has limited leverage to incentivize improved performance.


Report: https://oig.nasa.gov/wp-content/uplo...=68dd08760d991

ORAC 28th November 2025 05:17

This is not the simply rebooting the station, as already done by Dragon - it is recharging the ISS integral RCS system built into the Russian modules.

This requires docking at the Russian module, which would mean a major modification to Dragon. Soyuz uses a different docking system at their end of the station (i’s design precedes that of the IDDS and is a probe & drogue one.)

A probe version would have to be supplied by Russia and fitted to Dragon. Also, propellant lines would need to be run from the tanks at Dragon's base to the nose and suitable pumps installed as well as surge valves etc.

Probably not feasible at all, or at least within the remaining RCS supply and/or ISS life.

While astronauts can still get to ISS with SpaceX - the ISS attitude control system relies on progress spacecraft which use this pad.
https://www.russianspaceweb.com/baik..._31.html#cabin

Russia's only pad for crew launches suffers major damage

According to multiple Russian sources, on Nov. 27, 2025, the launch of the Soyuz MS-28 crew vehicle caused the mobile service platformat Site 31 to collapse into the flame duct below the pad. It essentially rendered the only facility for Russian orbital crew launches unusable.

At the time, Roskosmos planned the launch of the Progress MS-33 cargo ship to the ISS on Dec. 21, 2025.

According to preliminary estimates, repairs of the service platform, known as 8U0216, could take up to two years and it was not immediately unclear whether some kind of makeshift arrangement would be possible to support multiple cargo and crew launches to the ISS in the interim.

There was some possibility that duplicate hardware could be borrowed from the mothballed Site 1 in Baikonur or from similar facilities at other launch sites.

There were four Soyuz pads in Plesetsk at one point, also one pad operated in Vostochny and one mothballed pad was in Kourou, French Guiana.

Several hours after the accident, Roskosmos distributed a statement claiming the availability of spare parts necessary for the repairs of the pad.

https://cimg5.ibsrv.net/gimg/pprune....c1106f035.jpeg



​​​​​​​

ORAC 28th November 2025 05:35

Close view of today's accident on Pad 31……

https://threadreaderapp.com/thread/1...530324222.html

https://cimg0.ibsrv.net/gimg/pprune....da5bf7d49e.png
​​​​​​​

ORAC 28th November 2025 07:40

Once again, here is an isolated view of the collapsed structure in Baikonur and... "everything you wanted to know about it":

https://www.russianspaceweb.com/vostochny_soyuz_ko.html

https://cimg2.ibsrv.net/gimg/pprune....e5d91a99ed.png
​​​​​​​

skadi 28th November 2025 12:45


Originally Posted by ORAC (Post 11996979)

That looks like a different launchpad 🤔

​​​​​​​skadi

ORAC 28th November 2025 16:01

https://cimg2.ibsrv.net/gimg/pprune....1910367063.png

https://cimg3.ibsrv.net/gimg/pprune....aac1066a52.png

TURIN 28th November 2025 17:50

From the video of the launch there were definitely bits and pieces of metal flying around at commit.

ORAC 1st December 2025 06:24

In depth look into the consequences of the accident.

https://www.nasaspaceflight.com/2025...e-31-accident/

TWT 1st December 2025 09:22


ORAC 2nd December 2025 13:26

https://theins-ru.translate.goog/new..._x_tr_pto=wapp

Cosmonaut Artemyev Removed from Crew 12. He photographed SpaceX documents and leaked classified information on his phone, according to sources

Russian cosmonaut Oleg Artemyev was removed from the Crew 12 crew several months before the ISS launch . As rocket launch analyst Georgy Trishkin reported on his Telegram channel, Andrey Fedyayev will fly in his place.

Trishkin's sources said Artemyev was expelled for violating ITAR export restrictions : the cosmonaut allegedly photographed SpaceX documentation and then "used his phone" to export classified information. In a conversation with The Insider, the expert said an interdepartmental investigation has been launched:
.
"My contacts confirm that a violation occurred and an interdepartmental investigation has been launched. Removing someone from a mission two and a half months before the mission without a clear explanation is more of an indirect sign, but it's indicative. It's very difficult to imagine a situation in which an experienced cosmonaut could inadvertently commit such a gross violation."
.
Trishkin also said that NASA doesn't want the scandal surrounding Artemyev to become public knowledge. The Gagarin Cosmonaut Training Center website already lists Fedyayev as a member of the main Crew-12 crew.

The Telegram channel about cosmonautics "Yura, Forgive Me!" reports that Artemyev, who was training at the SpaceX base in Hawthorne, California, was suspended last week. The cosmonaut allegedly photographed SpaceX engines and other internal SpaceX materials with his phone and then removed the materials from the base.

According to the website of the Yuri Gagarin Cosmonaut Training Center, 54-year-old Oleg Artemyev has completed three space flights and spent a total of 560 days there. Since 2019, he has been a deputy of the Moscow City Duma and a member of United Russia.

51bravo 3rd December 2025 11:29

Wow, thats a classic :}!
I have immediately the picture of the sovjet ambassador Alexei de Sadeski in Stanley Kubrics masterpiece "Dr. Strangelove" in front of my inner eyeball. Maybe also a scuffle scene as with General Buck Turgidson.


ORAC 10th December 2025 22:39

https://arstechnica.com/space/2025/1...pply-missions/

After key Russian launch site is damaged, NASA accelerates Dragon supply missions

With a key Russian launch pad out of service, NASA is accelerating the launch of two Cargo Dragon spaceships in order to ensure that astronauts on board the International Space Station have all the supplies they need next year.

According to the space agency’s internal schedule, the next Dragon supply mission, CRS-34, is moving forward one month from June 2026 to May. And the next Dragon supply mission after this, CRS-35, has been advanced three months from November to August.

A source indicated that the changing schedules are a “direct result” of a launch pad incident on Thanksgiving Day at the Russian spaceport in Baikonur, Kazakhstan.…..

The decision by NASA to bring forward the two Dragon missions indicates a desire by the US space agency to ensure there is enough food, water, oxygen, and other supplies on board should the revised schedule for visiting Progress vehicles slip.

It is by no means certain that Russia will be able to fix the Site 31 launch infrastructure during the next four months. The average temperature during winter months is typically well below 0 degrees Celsius, and the country’s economic and industrial resources have largely been devoted to a war against Ukraine, rather than civil activities such as human spaceflight.

Fortunately NASA has other resources it can call on beyond Dragon. A Northrop Grumman supply vehicle, Cygnus, could be ready to fly as early as April 2026. And Japan has a new cargo ship as well, HTV-X, which could deliver supplies next summer.

So for NASA and the international partnership that operates the space station, the damage at Site 31 is unlikely to become acute unless work is delayed into next fall—when Progress vehicles will be needed for propellant delivery and Soyuz spacecraft to relieve the crew in orbit.

ORAC 31st December 2025 22:14

……………

​​​​​​​SPACEX: DRAGON IS NOW KEEPING THE INTERNATIONAL SPACE STATION FLYING

The International Space Station is no longer just drifting; it is being driven.

SpaceX’s Dragon cargo spacecraft executed a massive 19 minute thruster burn, marking the fifth time during the mission that hardware from the commercial titan has physically hoisted the station into higher ground.

For decades, the ISS relied on Russian Progress vehicles to keep from sinking into the atmosphere.

Now, SpaceX is proving that the West doesn't need a middleman to keep the lights on in low Earth orbit.

This 19 minute maneuver added several kilometers to the station's altitude, countering the relentless atmospheric drag that tries to pull the ISS back to Earth.

Since docking in late August, Dragon has evolved from a cargo courier into an active guardian, using a specialized "boost kit" in its trunk, equipped with six propellant tanks and two dedicated Draco thrusters, to handle the heavy lifting.

By the time Dragon undocks in January 2026, it will have performed more reboosts than any commercial vehicle in history.

If you control the propulsion, you control the mission.

Source: NasaGOV, SpaceFlightNow, ArsTechnica
​​​​​​​

ORAC 8th January 2026 09:06

TV video report attached.

​​​​​​​This is a developing situation.

NASA is considering a rare early return of Crew-11 after canceling a planned ISS spacewalk due to an unspecified medical issue with one astronaut.

The crew member is stable, but the EVA — slated for Zena Cardman and Mike Fincke — was scrubbed. That spacewalk would’ve tied a career EVA record for Fincke.

NASA says all options are on the table. 👀🚀

51bravo 8th January 2026 14:49

Wow, thanks for reporting. Will be monitoring now in the webosphere.

By the way, this reminds me I still have to check out this russian movie with Julija Peressild (Вызов)

ORAC 8th January 2026 18:40

International Space Station Update: Thursday, Jan. 8, 2026

​​​​
NASA will host a live news conference at 5 p.m. EST on Jan 8 from the agency’s headquarters in Washington to discuss the International Space Station and its crew.

https://plus.nasa.gov/scheduled-vide...ay-jan-8-2026/

ORAC 8th January 2026 21:44

https://www.nbcnews.com/science/spac...sue-rcna253077

NASA to bring astronauts home from space station early due to a medical issue

NASA said Thursday that it will bring four astronauts aboard the International Space Station back to Earth more than a month earlier than planned.

The space agency said Wednesday that it was postponing Thursday’s planned spacewalk because of a medical issue with one of the astronauts. Citing medical privacy concerns, NASA did not provide additional details, including the identity of the affected crew member, the nature of the medical issue or its severity.

“After discussions with chief health and medical officer Dr. JD Polk and leadership across the agency, I’ve come to the decision that it’s in the best interest of our astronauts to return Crew-11 ahead of their planned departure,” NASA Administrator Jared Isaacman said at a news briefing.…..



MechEngr 8th January 2026 23:36

It's a tough problem. For many medical issues gravity is a key element in treatment. One can expect that an instrument or some internal organ will set down when it is released. Fluids tend to head in one direction without prompting. Still, if they can get back readily, that's for the best.

That said, there was a guy in Antarctica who took out their own infected appendix.

"Russian surgeon Leonid Rogozov became seriously ill. He needed an operation - and as the only doctor on the team, he realised he would have to do it himself."
https://www.bbc.com/news/magazine-32481442

He did have a couple of helpers and was motivated by his experience of how things would go if he did not try. It had taken weeks to get to the location and the next ship was one year away. The weather was too bad to allow for an airplane. Dying of peritonitis is far more painful that using a knife.

51bravo 9th January 2026 08:24


Originally Posted by ORAC (Post 12017274)
International Space Station Update: Thursday, Jan. 8, 2026

​​​​
NASA will host a live news conference at 5 p.m. EST on Jan 8 from the agency’s headquarters in Washington to discuss the International Space Station and its crew.

https://plus.nasa.gov/scheduled-vide...ay-jan-8-2026/

Here it is (recorded, starts at timestamp 9:20):

First time Jared Isaacman in his role in public?

ORAC 10th January 2026 19:40

Nasa announces timeline of astronauts’ early departure from ISS due to ‘serious’ medical issue

NASA has announced when it will commence its first medical evacuation from the International Space Station after an astronaut fell ill with a “serious” but undisclosed issue.

The US space agency announced on social media on Friday night that it will aim to have the crew leave the station no earlier than 5pm EST on Wednesday, 14 January, with the goal of them landing near California early on Thursday morning, 15 January, “depending on weather and recovery conditions”.

51bravo 13th January 2026 14:52

The Californian Pacific ?! Interesting! The second time for Space-X/Dragon, isn't it? But the first one with NASA Astronauts.
5 p.m. EST, that must be 11 p.m. CET (European) - I shall be able to dial-in to the web cast :)

Expatrick 15th January 2026 07:42

Space crew 11 capsule just splashed down!

51bravo 15th January 2026 08:43

Nice shot out of the WB57 - I mean that one when drogues deployed and that cruise(?) ship.
Congratulations to the Crew-11 and Space-X for the uneventful reliable and safe return.



All times are GMT. The time now is 22:26.


Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.