MULLEN TALKS WITH TROOPS U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, addresses servicemembers assigned to Nellis and Creech Air Forces bases during an all-hands call at Thunderbird Hangar, Las Vegas, Nev., June 17, 2008. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 686558-V-OHN40-293.jpg Photo Gallery