Earth Venture 2 AO, Amendment 2: Removal of any limitations on the participation of Aerospace Corporation in any capacity under this AO.

NNH11ZDA012O

Release Date: June 17, 2011

Proposals Due: September 15, 2011

With this amendment, the NASA Announcement of Opportunity (AO) NNH11ZDA012O, “Earth Venture 2,” has been amended to remove any limitations on the participation of Aerospace Corporation in any capacity under this AO.

The Aerospace Corporation will not be used for evaluation support. There is no limitation on the participation of Aerospace Corporation in any capacity under this AO. (Section 4.2.1)

On or about August 29, 2011, Amendment No. 2 to the NASA Announcement of Opportunity “Earth Venture 2” (NNH11ZDA012O) will be posted on the NASA research opportunity homepage at http://nspires.nasaprs.com/(select “Solicitations” then “Open Solicitations” then “NNH11ZDA012O”).

Questions concerning the Earth Venture 2 AO may be addressed to Dr. Ramesh K. Kakar, Earth Science Division, Science Mission Directorate, National Aeronautics and Space Administration, Washington, DC 20546-0001; Telephone: 202-358-0240; E-mail: Ramesh.K.Kakar@nasa.gov (subject line to read “EARTH VENTURE 2 AO”).