NASA Design reference missions (2000+) (1 janv. 2000 – 1 déc. 2009)
Description:
The NASA Mars Design Reference Missions consisted of a series of conceptual design studies for human Mars missions, continued in the 21st century Selected other US/NASA plans (1988–2009)2000 SERT (SSP)
2001 DPT/NEXT
2002 NEP Art. Gravity
2009 DRA 5
Ajouté au bande de temps:
Date:
1 janv. 2000
1 déc. 2009
~ 9 years and 11 months