Secretary Gates and Adm. Mike Mullen conduct a press conference. Secretary of Defense Robert M. Gates (left) and Chairman of the Joint Chiefs of Staff Adm. Mike Mullen conduct a press conference in the Pentagon in Arlington, Va., on June 16, 2011. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 353631-I-WQB69-300.jpg Photo Gallery