while Gerst progressed from flight engineer during Expedition 56 to station commander during Expedition 57

Mark Shuttleworth: the first South African in space

Expedition 1 “First Space Mail” — Historic Letter Written Aboard the ISS and Returned by STS-98 Atlantis

whose first stage incorporated Ukrainian-built structures and Russian RD-181 engines

Geologist "Jack" Schmitt was selected in 1965

Soyuz MS-12 - FLOWN ISS cover Christina Koch Artemis II command module while Gerst progressed from flightSoyuz MS 12 ISS Flown Roscosmos Cover Signed by All Six Expedition 59 Crew Members, Including Christina Koch An outstanding International Space Station flown cover, hand signed in orbit by all six astronauts and cosmonauts living aboard the ISS during Expedition 59including record breaking NASA astronaut and Artemis II lunar explorer Christina Koch. Officially issued by Roscosmos, this attractive cover bears a special cachet and was postmarked aboard