Keywords: US Navy 110701-F-RG147-029 Leon E. Panetta takes the oath of office as the 23rd U.S. Secretary of Defense during a ceremony in the Pentagon.jpg en ARLINGTON Va July 1 2011 Leon E Panetta takes the oath of office as the 23rd U S Secretary of Defense during a ceremony in the Pentagon Department of Defense General Counsel Jeh Johnson administered the oath in the secretary's office U S Air Force photo by Tech Sgt Jacob N Bailey/Released 2011-07-01 110701-F-RG147-029 Navy http //www navy mil/view_image asp id 103692 U S Air Force photo by Tech Sgt Jacob N Bailey PD-USGov-Military-Navy Interior of The Pentagon Leon Panetta in 2011 Oath of office |