U.S. Secretary of Defense:
211201-D-TT977-0211
U.S. Secretary of Defense:
211201-D-TT977-0078
U.S. Secretary of Defense:
211201-D-TT977-0050
U.S. Secretary of Defense:
211201-D-TT977-0122
U.S. Secretary of Defense:
211201-D-TT977-0115