190227-M-WM087-0008.JPG - U.S. Marine Corps Gunnery Sgt. John B. York, an instructor at the Center for Naval Aviation Technical Training (CNATT), teaches a class at Marine Corps Air Station Cherry Point, North Carolina, Feb. 27, 2019. As a CNATT instructor, York actively shapes the Corps’ newest AV-8B Harrier technicians through classes, one-on-one mentorship and hands-on training in the various aspects and parts of the aircraft. Outside of his current duty as a CNATT instructor, York serves as an aircraft avionics technician for the AV-8B Harrier and previously served as a Marine recruiter with Recruiting Sub-Station Monroe, North Carolina, which is part of Recruiting Station Columbia, South Carolina. (U.S. Marine Corps photo by Lance Cpl. Andrew King)