Col. Fred Drummond, director of Combined Joint-Engineering,

Col. Fred Drummond, director of Combined Joint-Engineering, provides guidance to Afghan construction workers erecting the base of a plaque that will honor Maj. Gen. Harold Greene, former Combined Security Transition Command-Afghanistan deputy commanding general. Greene is the highest-ranking U.S. military officer to be killed in combat since Vietnam. The plaque will be unveiled Aug. 5 at Maj. Gen. Harold Greene Memorial Pavilion, Resolute Support Headquarters. (U.S. military photo by Lt.j.g. Charity Edgar/Released)