U.S. Air Force Airmen from the 35th Civil Engineer Squadron airfield damage control flight construct a 50-foot-long fiberglass matting surface after a simulated missile attack to the airfield during an Operational Readiness Exercise at Misawa Air Base, Japan, June 19, 2013. The 35th Fighter Wing's ORE tested Airmen's ability to operate in a high-alert contingency environment, making them better equipped to maintain base operational conditions during both peace and wartime. (U.S. Air Force photo by Airman 1st Class Kenna Jackson)

A U.S. Air Force Airman from 35th Civil Engineer Squadron drills bushings and anchors to a fiberglass mat after a simulated missile damaged the airfield during an Operational Readiness Exercise at Misawa Air Base, Japan, June 19, 2013. The 35 CES airfield damage control flight was tasked to rapidly repair the airfield and return it to an operational condition. (U.S. Air Force photo by Airman 1st Class Kenna Jackson)

U.S. Air Force Col. Stephen Williams, 35th Fighter Wing commander, observes the 35th Civil Engineer Squadron airfield damage control flight as they repair a mock airfield during an Operational Readiness Exercise at Misawa Air Base, Japan, June 19, 2013. After an attack, CES Airmen had approximately four hours to repair simulated 50-foot craters and return the airfield to use. (U.S. Air Force photo by Airman 1st Class Kenna Jackson)

U.S. Air Force Airmen from 35th Civil Engineer Squadron airfield damage control flight work together to build a fiberglass mat to cover three craters created after a simulated missile attack during an Operational Readiness Exercise at Misawa Air Base, Japan, June 19, 2013. A mock runway area gives these Airmen the opportunity to practice repairing airfields in a realistic environment without actually digging holes on the active runway or taxiways. (U.S. Air Force photo by Airman 1st Class Kenna Jackson)