U.S. Air Force Tech. Sgt. Louis Jackson, front, 192d Air National Guard munitions system craftsmen, marshals an F-22 Raptor while Staff Sgt. Zane Walker, 372d Training Squadron tactical aircraft maintenance specialist instructor, monitors and trains Jackson as a crew chief at Joint Base Langley-Eustis, Virginia, Aug. 18, 2022. Crew chief duties range from day-to-day aircraft maintenance, diagnosing malfunctions, replacing components and other responsibilities in support of establishing the 1st Fighter Wing as the most capable and combat-ready F-22 wing in the Air Force. (U.S. Air Force photo by Airman 1st Class Mikaela Smith)