Description
Comparing the brothers gave scientists a rare opportunity to study how prolonged spaceflight may affect the human body
Both cover and letter postmarked in space
Vandehei Kanai
This signed and annotated replica presents an excellent and affordable alternative
ISS - 1 - first resident crew launch cover anniversary Comparing the brothers gave scientistsISS 1 first resident crew launch cover Baikonur crew handsigned by Bill Shepherd, Sergey Krikalev and Yuri Gidsenko ! This was the first ISS manned flight !