Mars environmental measurements in support of future manned landing expeditions.
An analysis of the Martian environmental parameters to be measured and the preferred techniques for measuring them, in support of the planning and design of a manned landing vehicle for Mars. The Memorandum contains a broad, early examination of the gross makeup and flight profiles of vehicles that could make the required measurements of the Martian atmosphere for a range of missions. (See also RM-4434, RM-4451.) 49 pp.