NASA Associate Administrator for Legislative and Intergovernmental Affairs Seth Statler, left, and NASA Administrator Charles Bolden confer prior to a House Committee on Science, Space, and Technology budget hearing, Wednesday, March 2, 2011 in the Rayburn House Office Building on Capitol Hill in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden listens to NASA Associate Administrator for Legislative and Intergovernmental Affairs Seth Statler during a Senate Subcommittee on Commerce, Justice, Science, and Related Agencies of the Appropriations Committee hearing concerning the FY 2011 NASA Budget, Thursday, April 22, 2010 at the Dirksen Senate Office Building in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Deputy Administrator Lori Garver, right, along with Assistant Administrator for Legislative and Intergovernmental Affairs L. Seth Statler, meets with STS-128 astronauts Patrick Forrester, left, Jose Hernandez and Christer Fugelsang, of the European Space Agency, at NASA Headquarters, Tuesday, Nov. 3, 2009, in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA Deputy Administrator Lori Garver, right, along with Assistant Administrator for Legislative and Intergovernmental Affairs L. Seth Statler, meets with STS-128 astronauts Patrick Forrester, left, Jose Hernandez and Christer Fugelsang, of the European Space Agency, at NASA Headquarters, Tuesday, Nov. 3, 2009, in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA Administrator Charles F. Bolden, left, Deputy Administrator Lori Garver, along with Assistant Administrator for Legislative and Intergovernmental Affairs L. Seth Statler, meet with STS-128 astronauts Patrick Forrester, Jose Hernandez and Christer Fugelsang, of the European Space Agency, at NASA Headquarters, Tuesday, Nov. 3, 2009, in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA Administrator Charles F. Bolden, left, and Deputy Administrator Lori Garver along with Assistant Administrator for Legislative and Intergovernmental Affairs L. Seth Statler, seated right, meet with STS-128 astronauts Patrick Forrester, Jose Hernandez and Christer Fugelsang, of the European Space Agency, at NASA Headquarters, Tuesday, Nov. 3, 2009, in Washington. Photo Credit: (NASA/Paul E. Alers)