The prime objective of the program became returning multiple samples to earth, the first in 2008, and within the augmented budget.
The NASA Mars Exploration Program
1998-09-25
Miscellaneous
No indication
English
The NASA Mars Exploration Program
British Library Conference Proceedings | 1998
|NASA, JPL, and Mars exploration
NTRS | 2017
|The NASA Mars Exploration Program and Future Missions
NTRS | 2016
|Raumfahrt - Keine Ruhe für den Mars - Das Mars Exploration Program der NASA
Online Contents | 2007