21st STS
Staff Sgt. Christopher Smith, 21st Special Tactics Squadron combat controller, describes his teammate and best friend, Staff Sgt. Forrest Sibley, to more than 300 people who gathered at a memorial service to honor the fallen servicemember Sept. 3, 2015 at Pope Army Airfield, N.C. Sibley, 31, was killed at a vehicle checkpoint near Camp Antonik, Afghanistan, Aug. 26, 2015. He was a combat controller at the 21st STS and deployed in support of Operation Freedom’s Sentinel. (U.S. Air Force photo by Lt. Col. James R. Wilson/Released)