At the Feb. 2, 2010 hearing: Secretary of Defense Robert M. Gates and Chairman of the Joint Chiefs of Staff Admiral Michael G. Mullen testifying Feb. 2 in the U.S. Senate. Photos by Patsy Lynch

At the Feb. 2, 2010 hearing: Secretary of Defense Robert M. Gates and Chairman of the Joint Chiefs of Staff Admiral Michael G. Mullen testifying Feb. 2 in the U.S. Senate. Photos by Patsy Lynch