Staff Sgt. Carlton Dudley, 35th Aircraft Maintenance Unit jet engine mechanic, installs an anti-personnel screen at Kunsan Air Base, Republic of Korea, July 3, 2013. Within a Hush House, designed to test engines in a lower noise environment, the screen keeps large objects and Airmen safe from the intake vents of an F-16 Fighting Falcon. (U.S. Air Force photo by Senior Airman Armando A. Schwier-Morales)

Senior Airman Corey Hicks, 8th Maintenance Squadron aerospace propulsion troop, inspects the Hush House tunnel for foreign object debris and loose screws at Kunsan Air Base, Republic of Korea, July 3, 2013. Maintainers use the Hush House to reduce the noise pollution and overall environmental effect of testing engines at full throttle. (U.S. Air Force photo by Senior Airman Armando A. Schwier-Morales)

Tech. Sgt. Brian Pellettiere, 35th Aircraft Maintenance Unit electrical and environmental systems, crawls out of an intake vent after conducting an initial inspection at Kunsan Air Base, Republic of Korea, July 3, 2013. Pellettiere and several others from the 35th AMU tested an F-16 Fighting Falcon in order to assure a mission-ready aircraft. (U.S. Air Force photo by Senior Airman Armando A. Schwier-Morales)

An 8th Fighter Wing F-16 Fighting Falcon is tested by maintenance Airmen for leaks at Kunsan Air Base, Republic of Korea, July 3, 2013. To reduce the environmental impact, Airmen use the Hush House when testing engines after maintenance was performed on them. (U.S. Air Force photo by Senior Airman Armando A. Schwier-Morales)

Staff Sgt. Sarah Belew, 35th Aircraft Maintenance Unit aerospace propulsion craftsman, relays information during an F-16 Fighting Falcon engine test at Kunsan Air Base, Republic of Korea, July 3, 2013. Belew tested a recently maintained engine to ensure a safe and reliable aircraft for the 35th Fighter Squadron pilots. (U.S. Air Force photo by Senior Airman Armando A. Schwier-Morales)