Helicopter Bell AH-1G Cobra Serial 20607 Register 157211 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157211 US Marine Corps 1970-12-14Army AH-1G BuNo 68-15073 to USMC HML-367 w/o 14dec70 HMLA-367 Send Updates Use APP to upload photo @ (optional) When Now? / / Send