Senior Airman Brett Buerkle, an F-35A Lightning II maintainer with the 4th Fighter Generation Squadron, performs a routine inspection prior to the day's flying from Hunter Army Airfield in Savannah, Ga., during Agile Flag 23-1. The exercise, designed to test and certify Air Combat Command’s lead wings, took place over approximately nine days at various locations in the southeast region of the United States. The 388th Fighter Wing F-35As served as a mission generation force element for the 366th Fighter Wing certification exercise. (U.S. Air Force Photo by Micah Garbarino)