Propulsion in the Hush House

Picture of the outside of the hush house at McEntire Joint National Guard Base, S.C., March 2, 2013. The hush house allows jet engine mechanics to test F-16 engines without having extra noise pollution disturb base operations. (National Guard photo by Staff Sgt. Jorge Intriago/Released)

Propulsion in the Hush House

U.S. Air Force Senior Airman Shawn Hanson, a mechanic with the 169th Maintenance Squadron propulsion unit, inspects the inside of the a Pratt Whitney 229, block 52 jet engine after it was tested inside the hush house at McEntire Joint National Guard Base, S.C., March 2, 2013. Hanson ensures there are no leaks or damage before and after the engine is ran in the hush house. (National Guard photo by Staff Sgt. Jorge Intriago/Released)

Propulsion in the Hush House

U.S. Air Force Airman 1st Class Jonathan Salvador watches as Master Sgt. Rick Morgan, a mechanic with the 169th Maintenance Squadron propulsion unit at McEntire Joint National Guard Base, S.C., controls the block 52 jet engine and observes instrument readings from inside the T-20 test cab at the hush house, March 2, 2013. Salvador and Morgan are inspecting the engine for leaks in case the engine is faulty it will need a complete overhaul. The hush house allows jet engine mechanics to test F-16 engines without having extra noise pollution disturb base operations. (National Guard photo by Staff Sgt. Jorge Intriago/Released)

2012 Airfield Operations Flight Complex of the year

Members of the 245th Air Traffic Control Squadron at McEntire Joint National Guard Base, S.C., pose for a photo in the control tower, Feb. 20, 2013. The group was awarded the Airfield Operations Flight Complex of the Year. (National Guard photo by Tech. Sgt. Caycee Watson/Released)

245th Air Traffic Control Squadron, Airfield Operations Flight complex of the year

Members of the 245th Air Traffic Control Squadron at McEntire Joint National Guard Base, S.C., pose for a photo in front of a mobile Tactical Air Navigation unit, Feb. 14, 2013. The group was awarded the Airfield Operations Flight complex of the year. (National Guard photo by Tech. Sgt. Caycee Watson/Released)

SCANG EV4 supports Winter Storm Nemo

A 2.5 meter image of the Boston Logan International Airport (BOS) taken from the SPOT-5 satellite on February 10, 2013. BOS averages over 900 flights per day and was forced to cancel flights after receiving up to 24.9 inches of snow. The airport gradually resumed normal operations by February 11, 2013. (National Guard satellite image courtesy 169th Communications Flight, Eagle Vision IV/RELEASED)