Onishi discharging a fire extinguisher (Photo courtesy of Takuya Onishi)
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The training included other scenarios such as responding to a smoke detector generating a false alarm, a case that would otherwise require evacuation from the ISS with the Soyuz spacecraft if the crew were unable to extinguish the fire.
ഀOn another day, Onishi visited Zvezda, the manufacturer of Sokol spacesuits, for a fitting of his Sokol spacesuit to be worn during flight and a custom-made seat liner for the Soyuz spacecraft.
ഀThe seat liner for the Soyuz spacecraft is custom-made to properly fit the body of each cosmonaut or astronaut. To alleviate the impact of touchdown, Onishi's center of body while seated was measured, and the spacesuit was pressurized at 0.4 atm* to determine whether there are any painful or uncomfortable parts.
ഀ*Even if air pressure in the spacecraft drops to zero, 0.4 atm oxygen is maintained inside the Sokol spacesuits.
ഀThe fit-check was made with an inflated Sokol spacesuit where internal pressure was increased by 0.4 atm (and thereby tested with absolute pressure of 1.4 atm).
ऀऀ㰀⼀搀椀瘀㸀ഀIn early February, Astronaut Norishige Kanai, assigned as a crew member for the Expedition 54/55 mission, underwent outdoor winter survival training in Russia.
ഀThis training is intended to teach participants survival skills in the event that the Soyuz spacecraft is forced to make an emergency landing.
ഀKanai experienced life outdoors in sub-zero temperatures along with two other participants; one from NASA and one from Roscosmos. The training lasted two nights and three days, because it may take two or three days to conduct search and rescue operations in case the Soyuz spacecraft is forced to touch down at an unpredictable and remote location.
ഀSimulating that they had just landed on the ground, they began by removing their Sokol spacesuits and changing into snowsuits aboard the Soyuz spacecraft. Then they selected a camping location and set up a shelter by using the spacecraft’s parachute and hewn wood they had collected.The trio made a fire with the wood they collected, and then took turns tending the fire at night.
ഀThe training included a case of simulated injury to one crew member. They practiced how to treat the injured part, such as applying a splint and covering the injured crewmate with a rescue sheet.
ഀAnd in following the specified procedure, they also ignited flares to draw the attention of any rescue team.
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The participants changing from Sokol spacesuits into snowsuits (Credit: JAXA/GCTC)

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