MULLEN ADDRESS U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, addresses airmen assigned to Minot Air Force Base, N.D., Feb. 18, 2009. Mullen is on a two-day trip visiting airmen on Minot and Scott Air Force Base, Ill., and soldiers stationed on Fort Campbell, Ky. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 267589-O-VHR49-358.jpg Photo Gallery