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US segment of ISS evacuated due to possible cooling system leak

135 points by adenner 12y ago

jgrahamc 12y ago
"Update: #Exp42 crew informed by controllers that it's starting to look like a false indication, either a faulty sensor or computer relay." https://twitter.com/NASA/status/555353082209767424 https://twitter.com/NASA/status/555353082209767424
- exDM69 12y ago
  Some more (unofficial) information: http://forum.nasaspaceflight.com/index.php?topic=36561.0 http://forum.nasaspaceflight.com/index.php?topic=36561.0 The above was based on several livestreams from the ISS as well as mission control. The public streams are down now. It seems like there were several alarms and issues, including a fire alarm, but seems like they were (mostly) false alarms. Crew going through appropriate checklists.
mabbo 12y ago
Not following NASA and the ISS and well as I used to, I know there were plans to build a 'lifeboat' for the crew. Is that a thing now? If something catastrophic happens, what does the crew do?
- exDM69 12y ago
  Yes, there are Soyuz spacecraft that can be used for evacuation in the worst case.
- ceejayoz 12y ago
  There's always a Soyuz attached, which the crew can hop into and return to earth if necessary. edit: There's also the now cancelled http://en.wikipedia.org/wiki/Crew_Return_Vehicle http://en.wikipedia.org/wiki/Crew_Return_Vehicle, which is probably what you were thinking of.
  - deleted 12y ago
    [deleted]
  - nodata 12y ago
    The Soyuz only seats three.
    - ceejayoz 12y ago
      Yep, so when there's a crew larger than that they leave two docked.
    - arrrg 12y ago
      If there are six onboard two Soyuz will be docked. Always. There will never not be lifeboat for everyone, nor was there ever not one for everyone. Currently two are docked and those are the two lifeboats. Those aren’t only lifeboats, though. They are also just the normal crew return vehicles. Here is how crew rotation currently works: Three depart in the oldest Soyuz docked to the station, leaving the station with a crew of three and only one remaining Soyuz. A couple days later a new Soyuz arrives at the station, meaning there’s now a crew of six and two Soyuz docked to the station. Then everyone stays up there for a couple months longer before the now veteran crew departs on the oldest Soyuz and everything repeats. One advantage of doing it this way is that you are constantly renewing the lifeboats, so a Soyuz doesn’t have to survive years in space, only six or so months before it is replaced. Basically, it has to work for its main purpose (returning the crew to Earth as planned) anyway, insuring that it also works as a lifeboat. (Though I would assume that many changes were made to make the Soyuz work as a lifeboat. I would imagine that rapidly departing from the station, potentially with injured crew, is quite a different task compared to a planned departure.)
      - Morgawr 12y ago
        This makes me wonder, I assume they have procedures to dock a deserted ISS, right? What would happen in case of an emergency where both teams (3+3) have to return back to Earth, leaving ISS without a crew? Will they be able to "get back in"?
- missing_cipher 12y ago
  I think the current procedure is to get in the docked Soyuz capsules in case they need to escape. For example: http://www.space.com/15031-space-junk-station-astronaut-threat.html http://www.space.com/15031-space-junk-station-astronaut-thre...
- nnhtzgf 12y ago
  Currently there is a Dragon from SpaceX attached to the station. It is not equipped for but in a crisis it is capable of returning all crew members.
  - ceejayoz 12y ago
    No, it isn't. SpaceX's human-rated Dragons haven't flown yet (and probably aren't finished, nor are they human-rated by NASA yet). The cargo version currently docked has no seats and you definitely can't just hang onto the walls and hope it works. They've got a Soyuz for that.
    - nnhtzgf 12y ago
      Of course it is, rating has nothing to do with reality. Dragon has brought supplies safely back to earth every time so far, and the g-forces were on the same level( edit:actually less ) as soyuz. And Dragon is of course pressurized in case it isn't obvious. As I have pointed out, in a crisis, where there are no other options, it is capable of returning humans. This would involve makeshift seats/beds and landing in the ocean.
      - exDM69 12y ago
        There's two Soyuz spacecraft in case things go bad. If you are aware of a plan to use a Dragon as a lifeboat, please bring out some sources for that. That's a pretty far fetched possibility and surviving re-entry in an unmanned capsule is unlikely. There aren't any life support capabilities (ie. oxygen for breathing) and surviving the 5-10 G accelerations of re-entry would be rather unlikely without being strapped to a seat. Can the Dragon spacecraft even undock from the space station and robotic arm without a human operator on the Canadarm controls?
        nnhtzgf 12y ago
        As I have said twice now, a crisis can involve abnormal conditions where the usual means aren't available. Your third paragraph is not correct at all. Dragon has life support and reentry acceleration of 3.5g. http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20110014250.pdf http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/2011001... http://www.nasa.gov/pdf/361838main_11%20-%20SpaceX%20Augustine%20Briefing%20-%20Public%20Session.pdf http://www.nasa.gov/pdf/361838main_11%20-%20SpaceX%20Augusti... Quoting from the first pdf: Environmental Control System Astronauts will enter Dragon to remove cargo. Dragon’s cabin is habitable, with air circulation, lighting, fire detection and suppression, air temperature control, pressure and humidity monitoring. Transporting Crew While it initially is transporting cargo, Dragon was designed from the beginning to transport crew and is currently undergoing modifications to make this possible. Crew configuration will include life support systems, a crew escape system, and onboard controls that allow the crew to take control from the flight computer when needed. This focus on commonality between cargo and crew configurations minimizes the design effort and simplifies the human-rating process, allowing systems critical to Dragon crew safety and ISS safety to be fully tested on unmanned flights. And the second pdf: Crew Capability •Both Dragon & Falcon 9 were designed from inception to readily accommodate crew •Immediate focus is on cargo for COTS & CRS commitments, BUT… •In every design decision, the ability to attain human rating rapidly & at low additional cost is paramount Note: Many human-rating requirements are mandated on the cargo vehicle because it must be safe for ISS crew Space Exploration Technologies Corp June 16, 2009 This is why SpaceX was founded 21 Dragon Already Designed to Accommodate ISS Crew •For COTS Capabilities A-C, astronauts will enter (and temporarily inhabit) the Dragon spacecraft for loading and unloading of cargo to and from the International Space Station •Therefore, Dragon already meets the manned requirements to allow this activity, as called out in SSP 50808 •Air sampling and circulation •ISS crew sample Dragon’s air supply through the Air Revitalization System (ARS) port before entering the spacecraft, breathing in the air as provided by the Dragon Environmental Control System. • Air circulation is provided to ensure safe breathability throughout the spacecraft •Temperature and humidity requirements •Touch temperature limits: between 39 F and 113 F •Human Factors •Protection from shock •Restrictions on sharp corners, sharp edges, exposed screw threads, burrs, and pinch points. • All fonts, colors, and labels are consistent with SSP 50005. Dragon is capable of docking and undocking, but for reasons, it is rather berthed via the Canadaarm.
- danepowell 12y ago
  There's usually two three-person crews on the station at any given time, so two capsules are kept docked and ready to serve as lifeboats. Since the Soyuz is the sole means of transportation to and from the station, they simply put the capsules into a rotation. When a new crew arrives, they leave their capsule docked and the departing crew rides the oldest capsule back to Earth.
AYBABTME 12y ago
If something major was to happen inside the ISS and poison all the air or something. I wonder how we would go about recovering the station, without a space shuttle to go around and live on while doing repairs.
- neikos 12y ago
  As far as I know the station is too close to earth and is thus slowed by the atmoshpere -> It will crash and burn on earth if no one keeps it on track.
  - ceejayoz 12y ago
    It's something that most likely can be done remotely. Apparently they just screw around while it's going on: https://www.youtube.com/watch?v=u4ggQdkTcLo https://www.youtube.com/watch?v=u4ggQdkTcLo
    - jevinskie 12y ago
      I found it amusing that the sensation of the ISS accelerating seemed quite novel to astronauts to whom floating in space is banal.
  - AYBABTME 12y ago
    I assume altitude could be maintained remotely for a while.
  - viewer5 12y ago
    What do you mean? What stops that from happening now? Does it have thrusters that burn now and then to maintain its orbit?
    - tomswartz07 12y ago
      Yes- they only have to boost it up once every several months or so, however.
    - 12y ago
garblegarble 12y ago
The public stream is still up at http://www.ustream.tv/channel/live-iss-stream http://www.ustream.tv/channel/live-iss-stream and broadcasting the station/earth communications
halfdeadcat 12y ago
If they only had some sort of self-contained atmosphere suits.
- sandworm 12y ago
  There is an odd-man-out problem. Nobody has ever tried to don a spacesuit without some help from people not in spacesuits. So even if they had enough, which they probably do not, it might not be possible. Getting into a modern suit also requires hours of decompression to adjust to their lower pressure. You can't just hop in and step outside. (Mercury/Gemini and early soviet pilots were suited/dressed before takeoff. And Apollo suits were different than modern systems.)
  - VLM 12y ago
    This is very complicated. I was researching this as kind of a logic puzzle or scheduling logistics kind of game. Not just evac the ISS, but general ISS ops. This is actually pretty boring compared to the engineering challenge of working around ECLSS issues and the mysteriously complicated electrical system. Elements of lemmings and DF and simcity and scheduling game on the ISS. On a map of modules that is not a full mesh connected network, etc. How long can you improvise in face of disaster kind of game mechanic. This game idea went nowhere, mostly. First of all the Orlan suits are just tuned up moon suits, continuous evolutionary change since the 60s no revolutionary change like the USA suits, and it appears two dudes have no problem dressing each other while in suits. I couldn't find anything one way or another WRT one dude jumping in a suit by himself or much about Russian suit training. I get the feeling it wouldn't be a problem based on past mission profiles for two astronauts to dress each other aka it's been done but isn't talked about much, just kinda assumed. That doesn't mean a 3rd unsuited helper would have nothing to do. Sokol suits are available but they are not really built for outdoor use (thermal, wear and tear, sun visors, maybe harnesses?), you'd be basically immobile and probably stiff and uncomfortable after awhile. Doing an EVA in a sokol would likely suck pretty bad but would beat breathing space. If there's a hole in the capsule during re-entry (or takeoff) the sokol will keep you alive for a couple hours, although uncomfortably. The USA suits don't fit thru russian airlock holes (holy cow! but true!) so you can only put the (two?) USA suits thru the Quest airlock. The Russian suits can go out Pirs airlock, although many believe it'll never happen, Pirs is supposed to be re-entered when the new russian multipurpose lab module is launched to replace it. We'll see if that ever happens. Russian suits historically went thru the Zvezda but its ridiculous, you seal the hatches and open a door to the outside, its not a "real" airlock. I was never able to get stats on which modules could "zvezda style" evac if necessary. Where the suits are stored is a mystery vs where the disaster is (meteor hole or whatever). I guess if you need to get to Quest and there's a de-pressurized segment in the way, one of the Russians has to go out and fix it. I never saw any pictures or written description claiming more than 2 USA suits in stock and 2 Russian Orlan suits in stock at any given time. I believe they have a sokol for every crewmember, three sitting in each re-entry capsule. The onboard suits are rotated and thrown out every couple years. The Russians got new Orlan suits a couple years ago with semi-advanced onboard system debugging computers, kinda interesting. Decompression sickness is crazy analog and non-binary thinking goes over VERY poorly on this site, lets just say its a game of statistics, and if half of DCS symptoms don't even kick in for 6 hours (or whatever it was exactly) then given the 100% possibility of death vs maybe 50% some symptoms in six hours and 10% death, then obviously you risk it. If you have the most expensive people on the planet the furthest of our species from medical help and you're in no hurry, then you spend the full 3 hours doing the pre-breathe and the ISLE exercise protocol. In the olden days they slept overnight in the airlock but ISLE works and only takes 3 hours... Just spending a half hour in utter panic breathing pure O2 during a disaster in healthy young athletic bodies "probably" lowers the odds of DCS to about zero, or at least lower than the odds of whatever would make you panic EVA, so in practice its probably not an issue. You wouldn't screw around with DCS unless you were in severe danger, but you wouldn't have an emergency EVA just for the heck of it either. My point being if you die of DCS thats probably just a dice roll that something else almost got you anyway. Its not the main threat or even the most important threat. There would be no need to risk DCS unless you were about to die, in which case the odds of DCS not killing you are pretty good. Or rephrased DCS is not a realistic game criteria in my planned game that went nowhere.
vans 12y ago
Nice background !
superpatosainz 12y ago
This actually makes me wonder: what if there's a false bomb report in the ISS? Akin to when some 12 year old prankster says in twitter that there's a bomb in flight XYZ123, will chaos happen up in the ISS?
- pavel_lishin 12y ago
  Who would be in a position to report a bomb in such a way that it would be plausible?

135 points by adenner 12y ago

"Update: #Exp42 crew informed by controllers that it's starting to look like a false indication, either a faulty sensor or computer relay." https://twitter.com/NASA/status/555353082209767424 https://twitter.com/NASA/status/555353082209767424

exDM69 12y ago
Some more (unofficial) information: http://forum.nasaspaceflight.com/index.php?topic=36561.0 http://forum.nasaspaceflight.com/index.php?topic=36561.0 The above was based on several livestreams from the ISS as well as mission control. The public streams are down now. It seems like there were several alarms and issues, including a fire alarm, but seems like they were (mostly) false alarms. Crew going through appropriate checklists.

mabbo 12y ago

Not following NASA and the ISS and well as I used to, I know there were plans to build a 'lifeboat' for the crew. Is that a thing now? If something catastrophic happens, what does the crew do?

exDM69 12y ago
Yes, there are Soyuz spacecraft that can be used for evacuation in the worst case.
ceejayoz 12y ago
There's always a Soyuz attached, which the crew can hop into and return to earth if necessary. edit: There's also the now cancelled http://en.wikipedia.org/wiki/Crew_Return_Vehicle http://en.wikipedia.org/wiki/Crew_Return_Vehicle, which is probably what you were thinking of.
- deleted 12y ago
  [deleted]
- nodata 12y ago
  The Soyuz only seats three.
  - ceejayoz 12y ago
    Yep, so when there's a crew larger than that they leave two docked.
  - arrrg 12y ago
    If there are six onboard two Soyuz will be docked. Always. There will never not be lifeboat for everyone, nor was there ever not one for everyone. Currently two are docked and those are the two lifeboats. Those aren’t only lifeboats, though. They are also just the normal crew return vehicles. Here is how crew rotation currently works: Three depart in the oldest Soyuz docked to the station, leaving the station with a crew of three and only one remaining Soyuz. A couple days later a new Soyuz arrives at the station, meaning there’s now a crew of six and two Soyuz docked to the station. Then everyone stays up there for a couple months longer before the now veteran crew departs on the oldest Soyuz and everything repeats. One advantage of doing it this way is that you are constantly renewing the lifeboats, so a Soyuz doesn’t have to survive years in space, only six or so months before it is replaced. Basically, it has to work for its main purpose (returning the crew to Earth as planned) anyway, insuring that it also works as a lifeboat. (Though I would assume that many changes were made to make the Soyuz work as a lifeboat. I would imagine that rapidly departing from the station, potentially with injured crew, is quite a different task compared to a planned departure.)
    - Morgawr 12y ago
      This makes me wonder, I assume they have procedures to dock a deserted ISS, right? What would happen in case of an emergency where both teams (3+3) have to return back to Earth, leaving ISS without a crew? Will they be able to "get back in"?
missing_cipher 12y ago
I think the current procedure is to get in the docked Soyuz capsules in case they need to escape. For example: http://www.space.com/15031-space-junk-station-astronaut-threat.html http://www.space.com/15031-space-junk-station-astronaut-thre...
nnhtzgf 12y ago
Currently there is a Dragon from SpaceX attached to the station. It is not equipped for but in a crisis it is capable of returning all crew members.
- ceejayoz 12y ago
  No, it isn't. SpaceX's human-rated Dragons haven't flown yet (and probably aren't finished, nor are they human-rated by NASA yet). The cargo version currently docked has no seats and you definitely can't just hang onto the walls and hope it works. They've got a Soyuz for that.
  - nnhtzgf 12y ago
    Of course it is, rating has nothing to do with reality. Dragon has brought supplies safely back to earth every time so far, and the g-forces were on the same level( edit:actually less ) as soyuz. And Dragon is of course pressurized in case it isn't obvious. As I have pointed out, in a crisis, where there are no other options, it is capable of returning humans. This would involve makeshift seats/beds and landing in the ocean.
    - exDM69 12y ago
      There's two Soyuz spacecraft in case things go bad. If you are aware of a plan to use a Dragon as a lifeboat, please bring out some sources for that. That's a pretty far fetched possibility and surviving re-entry in an unmanned capsule is unlikely. There aren't any life support capabilities (ie. oxygen for breathing) and surviving the 5-10 G accelerations of re-entry would be rather unlikely without being strapped to a seat. Can the Dragon spacecraft even undock from the space station and robotic arm without a human operator on the Canadarm controls?
      - nnhtzgf 12y ago
        As I have said twice now, a crisis can involve abnormal conditions where the usual means aren't available. Your third paragraph is not correct at all. Dragon has life support and reentry acceleration of 3.5g. http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20110014250.pdf http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/2011001... http://www.nasa.gov/pdf/361838main_11%20-%20SpaceX%20Augustine%20Briefing%20-%20Public%20Session.pdf http://www.nasa.gov/pdf/361838main_11%20-%20SpaceX%20Augusti... Quoting from the first pdf: Environmental Control System Astronauts will enter Dragon to remove cargo. Dragon’s cabin is habitable, with air circulation, lighting, fire detection and suppression, air temperature control, pressure and humidity monitoring. Transporting Crew While it initially is transporting cargo, Dragon was designed from the beginning to transport crew and is currently undergoing modifications to make this possible. Crew configuration will include life support systems, a crew escape system, and onboard controls that allow the crew to take control from the flight computer when needed. This focus on commonality between cargo and crew configurations minimizes the design effort and simplifies the human-rating process, allowing systems critical to Dragon crew safety and ISS safety to be fully tested on unmanned flights. And the second pdf: Crew Capability •Both Dragon & Falcon 9 were designed from inception to readily accommodate crew •Immediate focus is on cargo for COTS & CRS commitments, BUT… •In every design decision, the ability to attain human rating rapidly & at low additional cost is paramount Note: Many human-rating requirements are mandated on the cargo vehicle because it must be safe for ISS crew Space Exploration Technologies Corp June 16, 2009 This is why SpaceX was founded 21 Dragon Already Designed to Accommodate ISS Crew •For COTS Capabilities A-C, astronauts will enter (and temporarily inhabit) the Dragon spacecraft for loading and unloading of cargo to and from the International Space Station •Therefore, Dragon already meets the manned requirements to allow this activity, as called out in SSP 50808 •Air sampling and circulation •ISS crew sample Dragon’s air supply through the Air Revitalization System (ARS) port before entering the spacecraft, breathing in the air as provided by the Dragon Environmental Control System. • Air circulation is provided to ensure safe breathability throughout the spacecraft •Temperature and humidity requirements •Touch temperature limits: between 39 F and 113 F •Human Factors •Protection from shock •Restrictions on sharp corners, sharp edges, exposed screw threads, burrs, and pinch points. • All fonts, colors, and labels are consistent with SSP 50005. Dragon is capable of docking and undocking, but for reasons, it is rather berthed via the Canadaarm.
danepowell 12y ago
There's usually two three-person crews on the station at any given time, so two capsules are kept docked and ready to serve as lifeboats. Since the Soyuz is the sole means of transportation to and from the station, they simply put the capsules into a rotation. When a new crew arrives, they leave their capsule docked and the departing crew rides the oldest capsule back to Earth.

AYBABTME 12y ago

If something major was to happen inside the ISS and poison all the air or something. I wonder how we would go about recovering the station, without a space shuttle to go around and live on while doing repairs.

neikos 12y ago
As far as I know the station is too close to earth and is thus slowed by the atmoshpere -> It will crash and burn on earth if no one keeps it on track.
- ceejayoz 12y ago
  It's something that most likely can be done remotely. Apparently they just screw around while it's going on: https://www.youtube.com/watch?v=u4ggQdkTcLo https://www.youtube.com/watch?v=u4ggQdkTcLo
  - jevinskie 12y ago
    I found it amusing that the sensation of the ISS accelerating seemed quite novel to astronauts to whom floating in space is banal.
- AYBABTME 12y ago
  I assume altitude could be maintained remotely for a while.
- viewer5 12y ago
  What do you mean? What stops that from happening now? Does it have thrusters that burn now and then to maintain its orbit?
  - tomswartz07 12y ago
    Yes- they only have to boost it up once every several months or so, however.
  - 12y ago

garblegarble 12y ago

The public stream is still up at http://www.ustream.tv/channel/live-iss-stream http://www.ustream.tv/channel/live-iss-stream and broadcasting the station/earth communications

halfdeadcat 12y ago

If they only had some sort of self-contained atmosphere suits.

sandworm 12y ago
There is an odd-man-out problem. Nobody has ever tried to don a spacesuit without some help from people not in spacesuits. So even if they had enough, which they probably do not, it might not be possible. Getting into a modern suit also requires hours of decompression to adjust to their lower pressure. You can't just hop in and step outside. (Mercury/Gemini and early soviet pilots were suited/dressed before takeoff. And Apollo suits were different than modern systems.)
- VLM 12y ago
  This is very complicated. I was researching this as kind of a logic puzzle or scheduling logistics kind of game. Not just evac the ISS, but general ISS ops. This is actually pretty boring compared to the engineering challenge of working around ECLSS issues and the mysteriously complicated electrical system. Elements of lemmings and DF and simcity and scheduling game on the ISS. On a map of modules that is not a full mesh connected network, etc. How long can you improvise in face of disaster kind of game mechanic. This game idea went nowhere, mostly. First of all the Orlan suits are just tuned up moon suits, continuous evolutionary change since the 60s no revolutionary change like the USA suits, and it appears two dudes have no problem dressing each other while in suits. I couldn't find anything one way or another WRT one dude jumping in a suit by himself or much about Russian suit training. I get the feeling it wouldn't be a problem based on past mission profiles for two astronauts to dress each other aka it's been done but isn't talked about much, just kinda assumed. That doesn't mean a 3rd unsuited helper would have nothing to do. Sokol suits are available but they are not really built for outdoor use (thermal, wear and tear, sun visors, maybe harnesses?), you'd be basically immobile and probably stiff and uncomfortable after awhile. Doing an EVA in a sokol would likely suck pretty bad but would beat breathing space. If there's a hole in the capsule during re-entry (or takeoff) the sokol will keep you alive for a couple hours, although uncomfortably. The USA suits don't fit thru russian airlock holes (holy cow! but true!) so you can only put the (two?) USA suits thru the Quest airlock. The Russian suits can go out Pirs airlock, although many believe it'll never happen, Pirs is supposed to be re-entered when the new russian multipurpose lab module is launched to replace it. We'll see if that ever happens. Russian suits historically went thru the Zvezda but its ridiculous, you seal the hatches and open a door to the outside, its not a "real" airlock. I was never able to get stats on which modules could "zvezda style" evac if necessary. Where the suits are stored is a mystery vs where the disaster is (meteor hole or whatever). I guess if you need to get to Quest and there's a de-pressurized segment in the way, one of the Russians has to go out and fix it. I never saw any pictures or written description claiming more than 2 USA suits in stock and 2 Russian Orlan suits in stock at any given time. I believe they have a sokol for every crewmember, three sitting in each re-entry capsule. The onboard suits are rotated and thrown out every couple years. The Russians got new Orlan suits a couple years ago with semi-advanced onboard system debugging computers, kinda interesting. Decompression sickness is crazy analog and non-binary thinking goes over VERY poorly on this site, lets just say its a game of statistics, and if half of DCS symptoms don't even kick in for 6 hours (or whatever it was exactly) then given the 100% possibility of death vs maybe 50% some symptoms in six hours and 10% death, then obviously you risk it. If you have the most expensive people on the planet the furthest of our species from medical help and you're in no hurry, then you spend the full 3 hours doing the pre-breathe and the ISLE exercise protocol. In the olden days they slept overnight in the airlock but ISLE works and only takes 3 hours... Just spending a half hour in utter panic breathing pure O2 during a disaster in healthy young athletic bodies "probably" lowers the odds of DCS to about zero, or at least lower than the odds of whatever would make you panic EVA, so in practice its probably not an issue. You wouldn't screw around with DCS unless you were in severe danger, but you wouldn't have an emergency EVA just for the heck of it either. My point being if you die of DCS thats probably just a dice roll that something else almost got you anyway. Its not the main threat or even the most important threat. There would be no need to risk DCS unless you were about to die, in which case the odds of DCS not killing you are pretty good. Or rephrased DCS is not a realistic game criteria in my planned game that went nowhere.

vans 12y ago

Nice background !

superpatosainz 12y ago

This actually makes me wonder: what if there's a false bomb report in the ISS? Akin to when some 12 year old prankster says in twitter that there's a bomb in flight XYZ123, will chaos happen up in the ISS?

pavel_lishin 12y ago
Who would be in a position to report a bomb in such a way that it would be plausible?