NASA is currently focused on the Vision for Space Exploration and has reduced current funding for scientific unmanned space exploration in favor of human exploration.
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President George W. Bush had announced the Vision for Space Exploration in January 2004, and NASA under Sean O'Keefe had solicited plans for a Crew Exploration Vehicle from multiple bidders, with the plan for having two competing teams.
From 2009 until his death, Puttkamer provided management leadership at NASA Headquarters in Washington, D.C., on the programs of the International Space Station (ISS), for which he held special responsibilities as a Russia expert for the Russian segment and activities and daily on-orbit operation/increments, the Space Shuttle and, since 2004, President George W. Bush's Vision for Space Exploration, was stationed in the HQ Space Operations Mission Directorate (SOMD).