Adm. Mike Mullen poses for photos with soldiers in Kabul. Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, U.S. Navy, poses for photos with soldiers in Kabul, Afghanistan, on the 2009 USO Holiday Troop Visit on Dec. 14, 2009. Mullen and his wife Deborah welcomed tennis star Anna Kournikova, comedian Dave Attell, tennis coach Nicholas Bollettiere and musician Billy Ray Cyrus on the tour visiting troops in Afghanistan, Iraq and Germany. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 835363-C-QCI30-460.jpg Photo Gallery