ARMY EXPO Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, speaks with Army Sgt. 1st Class George J. Kirkpatrick at the 60th Annual Association of the U.S. Army Meeting and Exposition in Washington, D.C., Oct. 27, 2010. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 026144-R-BHC17-488.jpg Photo Gallery