SECRETARY'S OATH Defense Secretary Leon E. Panetta administers the oath of office to newly commissioned Marine Corps 2nd lieutenants at the Marine Corps Officer Candidates School commissioning ceremony at the National Museum of the Marine Corps in Triangle, Va., Aug. 10, 2012. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 000133-A-EAX49-986.jpg Photo Gallery