The 77th Fighter Squadron’s (FS) flagship F-16CM Fighting Falcon flies over the South Carolina coast July 21, 2017, as part of a formation flight to commemorate  the 100th anniversary of the 55th FS. The 77th FS, originally organized as the 77th Aero Squadron at Waco Field, Texas, will celebrate its 100th anniversary Feb. 20, 2018. (U.S. Air Force photo by Tech. Sgt. Gregory Brook)