4/30/2012 - U.S. Air Force Staff Sgt. Joshua Morgan, left, and Airman 1st Class Casey Nicholson, 35th Aircraft Maintenance Squadron crew chiefs, prepare to tow an F-16 Fighting Falcon during an operational readiness exercise at Misawa Air Base, Japan, April 28, 2012. The purpose of the exercise is to demonstrate the wing's ability to quickly generate and employ war-ready aircraft. (U.S. Air Force photo by Staff Sgt. Nathan Lipscomb/Released)

4/30/2012 - U.S. Air Force Airmen from the 35th Civil Engineer Squadron finish piecing together a mat used to cover simulated runway damage during an operational readiness exercise at Misawa Air Base, Japan, April 28, 2012. The purpose of the exercise is to demonstrate the wing's ability to quickly generate war-ready aircraft. Operational readiness exercises help Airmen develop skills needed in a deployed environment. (U.S. Air Force photo by Staff Sgt. Nathan Lipscomb/Released)

4/30/2012 - U.S. Air Force Airmen from the 35th Aircraft Maintenance Squadron tow an F-16 Fighting Falcon during an operational readiness exercise at Misawa Air Base, Japan, April 28, 2012. The purpose of the exercise is to demonstrate and evaluate the wing's ability to quickly generate and employ war-ready aircraft. (U.S. Air Force photo by Staff Sgt. Nathan Lipscomb/Released)