U.S. Air Force Senior Airman Christopher Krahn, 633rd Civil Engineer Squadron pavements and equipment craftsmen, cuts a section of the runway at Langley Air Force Base, Va., Aug. 27, 2014. Civil Engineer pavements and equipment Airmen, commonly known as the Dirt Boyz, job functions include patch work on roads, parking lots and runways. (U.S. Air Force photo by Senior Airman Connor Estes/Released)