Helicopter Bell AH-1G Cobra Serial Register 157231 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157231 US Marine Corps 1970-03-25Army AH-1G BuNo 68-17045 to USMC HML-367 w/o 25mar70 HMLA-367 Send Updates Use APP to upload photo @ (optional) When Now? / / Send