Skylab, first U.S. space station [切手/その他米国製]
■ スカイラブ 米国初の宇宙ステーション
Skylab, first U.S. space station
Skylab's five components connected
as they orbit Earth
■ date of issue : 14 / may / 1974 発行
Skylab, first U.S. space station
Skylab's five components connected
as they orbit Earth
■ date of issue : 14 / may / 1974 発行