Soyuz could not be used to take Jeb and Val back down. Riding a Soyuz requires a custom fitted suit, and though these astronauts had both riden Soyuz in the pas

Soyuz could not be used to take Jeb and Val back down. Riding a Soyuz requires a custom fitted suit, and though these astronauts had both riden Soyuz in the past, those old measurements are not good enough for a current flight.