U.S. Air Force Airmen from the 67th Aircraft Maintenance Unit service a 67th Fighter Squadron F-15C Eagle during a training surge on Kadena Air Base, Japan, Jan. 7, 2015. Surges increase the number of training flights each day during a set time period in order to increase power proficiency and ensure combat readiness. Each surge focuses on a different aspect of combat readiness. This training is d..
