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

the final day of Expedition 65 and the date on which Soyuz MS-18 returned to Earth

international cooperation

The cover is hand-signed by the complete six-person crew aboard the International Space Station following the Soyuz MS-09 arrival:

Soyuz TM-21 – crewsigned launch cover - first Shuttle/MIR docking Ken Mattingly while Gerst progressed from flightHistoric Soyuz TM 21 crew hand signed launch cover Baikonur by Vladimir Dezhurov, Gennadi Strekalov and Norman Thagard from the US. First American onboard a Russian spacecraft ! Excellent condition.