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A Special Tactics Airman pounds his combat controller flash into the casket of Staff Sgt. Forrest B. Sibley's funeral procession, Sept. 16, 2015, at Naval Air Station Pensacola, Fla. Sibley was a Special Tactics Airman who recently deployed to Afghanistan in support of Operation Enduring Freedom's Sentinel, and was shot at a vehicle checkpoint at Camp Antonik, Afghanistan, Aug. 26, and died of wounds sustained in the attack. (U.S. Air Force photo by Senior Airman Ryan Conroy/Released)