A U.S. Air Force chief master sergeant assigned to the 30th Intelligence Squadron conducts the final roll call during a memorial ceremony honoring Senior Airman Russell Mountain, a former 30th IS analyst, at Langley Air Force Base, Va., Sept. 19, 2014. The final roll call is called with the conviction held by Airmen that all unit members will be accounted for, and none will be forgotten. Mountain passed away August 22, and was a native of Tallahassee, Fla. (U.S. Air Force photo by Senior Airman Aubrey White/Released)