NEW LIEUTENANTS Newly commissioned 2nd lieutenants celebrate at the end of the U.S. Air Force Academy's Class of 2011 graduation ceremony in Colorado Springs, Colo., May 25, 2011. Air Force Secretary Michael B. Donley was the guest speaker at the commencement. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 427716-O-UKR30-852.jpg Photo Gallery