PENTAGON TOUR Defense Secretary Chuck Hagel, second from right, tours the Pentagon 9/11 Memorial with Michael L. Rhodes, left, the Defense Department's director of administration and management, Marine Corps Lt. Gen. Thomas D. Waldhauser, military assistant to the defense secretary, and Marcel J. Lettre II, right, the secretary's special assistant, Feb. 27, 2013. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 269508-G-YPK82-097.jpg Photo Gallery