DEFENSE LEADERS Left to right, Army Secretary John McHugh, Defense Secretary Robert M. Gates and Army Chief of Staff Gen. George W. Casey Jr. render honors during the playing of the national anthem during a welcoming ceremony for McHugh on Fort Myer, Arlington, Va., Nov. 2, 2009. McHugh was sworn in as the 21st Army Secretary on Sept. 21, 2009. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 412413-V-KQV20-410.jpg Photo Gallery