U.S. Airmen assigned to the 633rd Civil Engineer Squadron raise state flags at Memorial Park at Langley Air Force Base, Va., March 25, 2016. The park was developed in 1983 on the Tactical Air Command Parade Grounds by order of Gen. Bill Creech, then-TAC commander, to memorialize Service members who lost their lives in conflicts around the world. (U.S. Air Force photo by Airman 1st Class Derek Seifert)