Soyuz MS-04 - crewsigned cover leonov Thagard’s presence aboard Mir represented

Thagard’s presence aboard Mir represented a major turning point in relations between the American and Russian space programs

providing important evidence of its presence in orbit

Conrad and Bean were on the Lunar surface for more than 30 hours and performed two EVAs in 7 hours and 27 minutes

The reverse bears a handwritten certification by Yuri Usachev

Solovyev and Avdeyev became MIR’s 12th resident crew and remained aboard the station for more than six months

Soyuz MS-04 - crewsigned cover leonov Thagard’s presence aboard Mir representedStriking Soyuz MS 04 launch cover hand signed by the crew Jack Fisher and Fyodor Jurchitchin.