U.S. Army Staff Sgt. James Jackson, Charlie Company, 2-210 Aviation Battalion, 128th Aviation Brigade aircraft power plant repairer, explains the capabilities of a Blackhawk helicopter engine to General Stanford Elementary students at Joint Base Langley-Eustis, Va., Nov. 18, 2016. The students had the opportunity to interact and ask questions to Soldiers about each vehicle demonstration. (U.S. Air Force photo by Airman 1st Class Derek Seifert)