Risky to change.
Riskier not to change.

--John Young (U.S. astronaut)

Space Shuttle NASA Mission Report: STS-1, April 1981

- Young and Crippen Pilot Columbia on the First Space Shuttle Mission - Complete Technical Details of All Aspects of the Historic Flight

  • 作者: National Aeronautics and Space Administration (NASA)
  • 出版社/メーカー: Independently published
  • 発売日: 2017/09/14
  • メディア: ペーパーバック