The endeavour was the final built orbiter

Communications were temporarily interrupted

Associated with the first Mir crew launched aboard a Space Shuttle

checklists and technical information during critical phases of the mission

Written and signed by cosmonaut Anton Shkaplerov

STS-84 + Soyuz TM-25 flown MIR cover + handwritten letter - signed by 10 first moon flight The endeavour was the finalMirSTS 84 Flown Space Mail with Ten Crew Signatures and In Orbit Letter An exceptional oversized envelope genuinely flown aboard the Russian space station Mir during the historic STS 84 and Soyuz TM 25 era, postmarked in orbit on 22 May 1997. The envelope bears the hand signed autographs of ten astronauts and cosmonauts, creating a remarkable record of the multinational crews brought together during one of the most important joint missions of the