The resulting comparisons contributed to NASA’s understanding of how prolonged spaceflight may affect the human body—knowledge considered essential for future expeditions to the Moon and Mars

SOYUZ TM-15 / MIR “ANTARES” FLOWN AEROGRAMME

an extensive program of scientific and technological research in microgravity

no other photo

Certified on the reverse by cosmonaut Yuri Usachev

Soyuz MS-05 - FLOWN ISS cover feat. Randy Bresnik Artemis III Cdr. first US astronauts The resulting comparisons contributed toSoyuz MS 05 ISS Flown Roscosmos Cover Triple Postmarked in Space and Signed by Nine Expedition 52 53 Crew Members An exceptional International Space Station flown cover officially issued by Roscosmos, bearing three onboard postal cancellations and the handwritten signatures of nine astronauts and cosmonauts associated with the Expedition 52 and Expedition 53 mission period. The cover carries dated onboard postmarks from July 29, 2017, marking the