U.S. Soldiers from the 128th Aviation Brigade, 1st Battalion, 222nd Aviation Regiment, perform maintenance during an armament, electronic and avionics systems repair course at Fort Eustis, Va., Feb. 11, 2016. The course aims to teach aircraft electricians and maintainers how to replace broken or unusable aircraft parts. (U.S. Air Force photo by Airman 1st Class Breonna Veal)

A U.S. Soldier from the 128th Aviation Brigade, 1st Battalion, 222nd Aviation Regiment looks for a tool during an armament, electronic and avionics systems repair course at Fort Eustis, Va., Feb. 11, 2016. Soldiers use the tools to remove specific electronic components on a Boeing AH-64 Apache. (U.S. Air Force photo by Airman 1st Class Breonna Veal)

U.S. Army Pfc. Cedric Ebrottie, a student with 128th Aviation Brigade, 1st Battalion, 222nd Aviation Regiment, speaks with fellow student, Spc. Dominic Freitas, during an armament, electronic and avionics systems repair course at Fort Eustis, Va., Feb. 11, 2016. Students perform maintenance operation checks on a Boeing AH-64 Apache to troubleshoot aircraft components. (U.S. Air Force photo by Airman 1st Class Breonna Veal)

U.S. Army Spc. Dominic Freitas, a student with 128th Aviation Brigade, 1st Battalion, 222nd Aviation Regiment, waits for instruction during an armament, electronic and avionics systems repair course at Fort Eustis, Va., Feb. 11, 2016. Although the students are not taught how to fly a Boeing AH-64 Apache, they learn how to replace the parts on the aircraft. (U.S. Air Force photo by Airman 1st Class Breonna Veal)

U.S. Army Spc. Jose Hernandez, a student with 128th Aviation Brigade, 1st Battalion, 222nd Aviation Regiment, performs maintenance on a Boeing AH-64 Apache during an armament, electronic and avionics systems repair course at Fort Eustis, Va., Feb. 11, 2016. The Soldiers are taught how to first replace the unusable aircraft pieces, then how to ensure the piece is working once placed back into the aircraft. (U.S. Air Force photo by Airman 1st Class Breonna Veal)

A U.S. Soldier from the 128th Aviation Brigade, 1st Battalion, 222nd Aviation Regiment, screws a panel shut on a Boeing AH-64 Apache during an armament, electronic and avionics systems repair course at Fort Eustis, Va., Feb. 11, 2016. Soldiers assigned to the brigade are first taught using computerized instruction manuals and touch screen simulators before transitioning to using operational Apaches as they progress during an armament, electronic and avionics systems repair course. (U.S. Air Force photo by Airman 1st Class Breonna Veal)