Helicopter Bell AH-1G Cobra Serial 20747 Register 157227 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157227 US Marine Corps 1970-03-25Army AH-1G BuNo 68-15213 to USMC HML-367 w/o 25mar70 HMLA-367 Send Updates Use APP to upload photo @ (optional) When Now? / / Send