MISSION CONCEPT STUDY CONTRACT WHICH SHALL ADDRESS MISSION JUSTIFICATION, IDENTIFICATION OF REQUIRED TECHNOLOGIES, TECHNOLOGY DEVELOPMENT PLANS, DEFINITION OF THE MISSION CONCEPT, AND FLIGHT DEMONSTRATIONS REQUIRED TO ACHIEVE CAPABILITIES TO SUPPORT FUTURE SPACE EXPLORATION MISSIONS. TO SUPPORT PROJECT FORMULATION, NASA REQUIRES A MISSION COST ESTIMATE, A SCHEDULE FOR SYSTEM DEVELOPMENT, AND DISCUSSION OF GOVERNMENT-INDUSTRY PARTNERSHIPS TO MAXIMIZE TECHNICAL OBJECTIVES OF THE MISSION WHILE REDUCING OVERALL MISSION COSTS. OFFERORS MAY PROPOSE TO CONDUCT A STUDY ON ONE OR MORE MISSION CONCEPTS, BUT MUST PROVIDE THE REQUIRED CONTENT FOR ALL PROPOSED CONCEPTS. WITHIN EACH MISSION CONCEPT, THERE ARE LIKELY TO BE OPTIONS THAT SIGNIFICANTLY INCREASE BENEFIT FOR A RELATIVELY MODEST INCREASE IN COST. NASA IS INTERESTED IN THESE OPTIONS. MISSION COSTS AT THE HIGHER END OF THE RANGE MAY BE CONSIDERED IF THE PROPOSED EFFORT PRESENTS A COMPELLING NEW TECHNOLOGICAL CAPABILITY THAT WARRANTS A HIGHER FUNDING LEVEL, WHICH MUST BE SUPPORTED WITH A COST/BENEFIT ANALYSIS. A PRELIMINARY MISSION CONCEPT STUDY, TO BE DEVELOPED AND MATURED THROUGH AWARD OF THIS STUDY CONTRACT.