DEGREE DAY Air Force Cadet Zebulon Hanley, left, and classmates hold their Bachelor of Science degrees at the U.S. Air Force Academy's Class of 2013 commencement ceremony in Colorado Springs, Colo., May 29, 2013. Hanley is the top graduate in a class of 1,024 graduates. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 222324-Q-EER66-775.jpg Photo Gallery