Airfield operations optimize flightline maintenance
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)