U.S. Air Force 1st Lt. Joseph Humphrey, 20th Civil Engineer Squadron (CES) deputy installation management flight commander, holds a piece of wood while Airman 1st Class Edward Balderas, 20th CES power production technician, tightens a bolt at Shaw Air Force Base, S.C., Feb. 6, 2018. The two were part of a team which started rebuilding the overflow bridge at Memorial Lake, a recreational area and tribute to all Shaw Airmen who passed in combat. (U.S. Air Force photo by Senior Airman Destinee Sweeney)