MULLEN VISITS CENTCOM Chairman of the Joint Chiefs of Staff Adm. Mike Mullen greets servicemembers assigned to Forward Operating Base Bucca in southern Iraq, Oct. 3, 2007. Mullen is on his first tour of CENTCOM since becoming chairman SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 177269-D-MPO68-694.jpg Photo Gallery