Sgt. Kevin McVey, desk sergeant and collateral duty inspector with Marine Heavy Helicopter Squadron (HMH) 465, goes over scheduled maintenance with his shift aboard Marine Corps Air Station Miramar, Calif., July 10. The desk sergeant acts as a middleman between maintenance control and the airframes mechanics. His responsibilities include delegating tasks, ordering parts and ensuring the Marines know what aircraft to fix and how to fix it. - Sgt. Kevin McVey, desk sergeant and collateral duty inspector with Marine Heavy Helicopter Squadron (HMH) 465, goes over scheduled maintenance with his shift aboard Marine Corps Air Station Miramar, Calif., July 10. The desk sergeant acts as a middleman between maintenance control and the airframes mechanics. His responsibilities include delegating tasks, ordering parts and ensuring the Marines know what aircraft to fix and how to fix it.