US astronaut Jerry Linenger

Unlike most cargo spacecraft

maintenance of the orbital complex and two spacewalks

It was the last lunar landing

the beginning of closer German–Russian scientific cooperation and the increasingly international use of the Mir orbital complex

Expedition 56/57 - FLOWN ISS cover - Alexander Gerst gantry US astronaut Jerry LinengerExpedition 56 57 ISS Flown Energia Cover Signed by the Complete Six Person Crew, Including Alexander Gerst An exceptional International Space Station flown cover, officially produced by RSC Energia and featuring the printed mission insignias of both Expedition 56 and Expedition 57. The cover was postmarked aboard the ISS on June 8, 2018, an especially significant date: the day Soyuz MS 09 docked with the station and expanded the Expedition 56 crew