November 1985

Executive Summary

The NASA administration has requested Johnson Space Center (JSC) to outline NASA's long term objectives for the nation's manned space program. In developing these long term objectives, JSC is emphasizing the development of a rational long range plan, objectives which are compatible with current and near term programs, a theme of permanent manned presence in space, and an effort towards foriegn cooperation in space.

There are several reasons why the manned exploration of Mars is a logical long term goal for the manned space program. Mars is the most earth-like of the other planets of the solar system. The scientific exploration of Mars is a major objective of the solar system exploration program. Mars and its moons are a reasonable transportation node for launches to other places in the solar system with the use of in-situ propellent production. There are also several opportunities for international cooperation in the exploration of Mars.

JSC wants to study the opportunities for manned exploration of Mars in a systematic way. The long term program directions and requirements must be defined. The impact and requirements on current and near term programs must be determined, and key technology areas must be developed.

The objective of this group is to design a mission to Mars which will contribute to NASA's long term objectives. The group will design a primary mission concept which will land men on Mars and contribute to the long term exploration of the planet. This project will involve two preliminary design reviews, and a final report, and will be completed by the end of the 1985 spring semester. The University of Texas at Austin (UT) will perform all the mission planning for the interplanetary section of the mission and design all vehicles and mission planning for the exploration of Mars and it's moons. UT will coordinate it's efforts with Texas A&M University's design team, who will design the major portions of the interplanetary vehicle(s).ctives. The group will design a primary

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at Austin (UT) will perform all the mission planning for the interplanetary section of the mission and design all veh