GRADUATION SALUTE Class of 2010 graduates salute for the national anthem at the commencement of the U.S. Air Force Academy's graduation ceremony in Colorado Springs, Colo., May 26, 2010. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, delivered the commencement address. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 749076-T-CML87-619.jpg Photo Gallery