Cpl. Jesus Ontiveros, a crew chief with Marine Medium Tiltrotor Squadron 364 “Purple Foxes,” and an Oxnard, Calif. native, walks through an MV-22B Osprey during a post-operations check aboard Marine Corps Air Station Camp Pendleton, California, April 5. Before and after every flight, Marines with VMM-364 check Ospreys for any mechanical discrepancies to ensure the safety of pilots, air crew and passengers. - Cpl. Jesus Ontiveros, a crew chief with Marine Medium Tiltrotor Squadron 364 “Purple Foxes,” and an Oxnard, Calif. native, walks through an MV-22B Osprey during a post-operations check aboard Marine Corps Air Station Camp Pendleton, California, April 5. Before and after every flight, Marines with VMM-364 check Ospreys for any mechanical discrepancies to ensure the safety of pilots, air crew and passengers.