Mars 2020 AO Amendment 1: Mars 2020 NOI due date changed to TBD

The Mars 2020 Investigations AO solicits flight investigations for which each Principal Investigator is responsible for a complete space flight investigation, including instrument hardware, mission operations, and data analysis. Investigations comprised of individual instruments or multiple instruments (suites) may respond to the overall Mars 2020 objectives to explore and quantitatively assess Mars as a potential habitat for life, to search for signs of past life, to collect carefully selected samples for possible future return to Earth, and to prepare for future human exploration of Mars.

This amendment changes the due date for required Notices of Intent (NOIs) to “TBD”. When the Government shutdown ends, a new NOI due date will be advertised.

On or about October 8, 2013, this Amendment to the NASA Announcement of Opportunity “Mars 2020 Investigations” (NNH13ZDA018O) will be posted on the NASA research opportunity homepage at

During the shutdown NASA personnel will not be available to answer questions, but the NSPIRES help line will be open. When the Government resumes business, questions concerning this amendment and the Mars 2020 AO, may be directed to Mitchell Schulte, Planetary Science Division, Science Mission Directorate, NASA Headquarters, Washington, DC 20546-0001. Telephone: (202) 358-2127;


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