LANGLEY AIR FORCE BASE, Va. -- Airmen of the 1st Component Maintenance Squadron run a test on a Pratt and Whitney F119-PW-100 engine at the test cell, or hush house, here April 9. These inspections are critical in order to remove any objects that could damage the blades inside the engines. (U.S. Air Force photo/ Airman 1st Class Gul Crockett)