7/28/2011 - U.S. Air Force Lt. Col. Jeffrey Dyball, 20th Intelligence Squadron, relinquishes command and passes the guidon to U.S. Air Force Col. Carol Northrup, Air Force Targeting Center commander, during a change of command ceremony inside the Patriot Club at Offutt Air Force Base, Neb., July 28. (U.S. Air Force Photo by Charles Haymond)