A CH-53E Super Stallion airframe mechanic with Marine Heavy Helicopter Squadron (HMH) 462, works on patching a mixing unit access screen panel for a Super Stallion aboard Marine Corps Air Station Miramar, Calif., July 10. Before a helicopter airframe mechanic can even touch an aircraft, he or she attends schooling in Naval Air Station Pensacola, Fla., where students learn the very basics of their occupational specialties.