2/16/2012 - U.S. Air Force Airman Ashley King and Airman 1st Class Marnell Dillingham, 35th Operations Support Squadron airfield operations coordinators, check the prior permission required log at Misawa Air Base, Japan, Feb. 14, 2012. The PPR log keeps track of numbers issued to aircraft on the flightline. (U.S. Air Force photo by Airman 1st Class Kia Atkins/Released)

2/16/2012 - U.S. Air Force and Japan Air Self-Defense Force servicemembers work together at airfield operations at Misawa Air Base, Japan, Feb. 14, 2012. Members of airfield operations are responsible for making sure the airfield is maintained so that aircraft may take-off and land safely. (U.S. Air Force photo by Airman 1st Class Kia Atkins/Released)

2/16/2012 - A base radio lies on a desk at Misawa Air Base, Japan, Feb. 14, 2012. The radio is used by servicemembers working in airfield operations to monitor the air traffic control network. (U.S. Air Force photo by Airman 1st Class Kia Atkins/Released)