Brig. Gen. Donald E. Jackson, Commander of the U.S. Army Corps of Engineers South Atlantic Division, passes the Corps flag to Col. Thomas J. Tickner, incoming commander for the Corps' Savannah District during a change of command ceremony July 19, 2013. The passing of the colors symbolizes the formal relinquishing of command from outgoing commander Col. Jeffrey M. Hall to incoming commander Tickner. USACE photo by George Jumara.