Sgt. Giovanny Mayer, a flight planner with Headquarters

Sgt. Giovanny Mayer, a flight planner with Headquarters and Headquarters Squadron and a Sylmar, Calif., native, corrects a Marine’s punching form during a Marine Corps Martial Arts Program course aboard Marine Corps Air Station Miramar, Calif., April 5. Mayer holds his MCMAP courses Monday through Thursday from 3 p.m. to 4 p.m. at the dojo inside the Aircraft Rescue and Firefighting building on the flightline. (U.S. Marine Corps photo by Sgt. Michael Thorn/Released)