U.S. Secretary of Defense: 210722-D-XI929-2001
U.S. Secretary of Defense: 210722-D-XI929-2013
U.S. Secretary of Defense: 210722-D-XI929-2014
U.S. Secretary of Defense: 210722-D-XI929-2002
U.S. Secretary of Defense: 210722-D-XI929-2007
U.S. Secretary of Defense: 210722-D-XI929-2008
U.S. Secretary of Defense: 210722-D-XI929-2009
U.S. Secretary of Defense: 210722-D-XI929-2010
U.S. Secretary of Defense: 210722-D-XI929-2011
U.S. Secretary of Defense: 210722-D-XI929-2016
U.S. Secretary of Defense: 210722-D-XI929-2017