Master Sgt. Joseph Densmore, 917th Maintenance Squadron jet engine mechanic, works on the seven stage pneumatic duct on an A-10 Thunderbolt II engine on Barksdale Air Force Base, La., April 5, 2013. The duct is used as a sensing system for the engine. (U.S. Air Force photo/Senior Airman Sean Martin)
Master Sgt. Joseph Densmore, 917th Maintenance Squadron jet engine mechanic, works on an A-10 Thunderbolt II engine on Barksdale Air Force Base, La., April 5, 2013. The 917 MXS is responsible for more than 100 A-10 engines. (U.S. Air Force photo/Senior Airman Sean Martin)
Master Sgt. Joseph Densmore, 917th Maintenance Squadron jet engine mechanic, repairs a part on an A-10 Thunderbolt II engine. The 917 MXS engine shop has seven service bays and is the only engine shop for the Air Force Reserve Command for all TF-34 engines. (U.S. Air Force photo/Senior Airman Sean Martin)
Tech. Sgt. David Marshall, 917th Maintenance Squadron jet engine mechanic, works on an auxiliary power unit of an A-10 Thunderbolt II on Barksdale Air Force Base, La., April 5, 2013. The unit is used to start the A-10 and provide ground crews with electrical power when being serviced. (U.S. Air Force photo/Senior Airman Sean Martin)
Master Sgt. Joseph Densmore, 917th Maintenance Squadron jet engine mechanic, looks through a technical order on Barksdale Air Force Base, La., April 5, 2013. A TO is used to make sure steps are not missed when working on or repairing an item. (U.S. Air Force photo/Senior Airman Sean Martin)
Master Sgt. Joseph Densmore, 917th Maintenance Squadron jet engine mechanic, tightens a screw on an A-10 Thunderbolt II on Barksdale Air Force Base, La., April 5, 2013. The 917 MXS has two test cells which are used to perform operational checks on A-10 engines. (U.S. Air Force photo/Senior Airman Sean Martin)
Master Sgt. Joseph Densmore and Tech. Sgt. Richard Murchison, 917th Maintenance Squadron jet engine mechanics, work on an A-10 Thunderbolt II engine on Barksdale Air Force Base, La., April 5, 2013. The 917 MXS is responsible for more than 100 A-10 engines. (U.S. Air Force photo/Senior Airman Sean Martin)
Tech. Sgt. Richard Murchison, 917th Maintenance Squadron jet engine mechanic, works on an A-10 Thunderbolt II engine on Barksdale Air Force Base, La., April 5, 2013. The 917 MXS is responsible for more than 100 A-10 engines. (U.S. Air Force photo/Senior Airman Sean Martin)