Group Meeting Tom Lassman, the senior historian for the Office of the Secretary of Defense, right, Cassandra Johnson, the associate deputy general counsel for the Office of the Army General Counsel and Robert D. Hogue, the acting assistant secretary of the Navy for Manpower and Reserve Affairs speak to students virtually during the Department of Defense 9/11 Commemoration University Student Panel from the Pentagon, Washington, D.C., Sept. 9, 2021. SHARE: Download: Full Size (3.09 MB) Credit: Air Force Staff Sgt. Brittany A. Chase VIRIN: 210909-D-BM568-1041.JPG Photo Gallery