Helicopter Bell AH-1G Cobra Serial 20724 Register 157223 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157223 US Marine Corps 1970-03-11Army AH-1G BuNo 68-15190 to USMC HML-367 w/o 11mar70 HMLA-367 Send Updates Use APP to upload photo @ (optional) When Now? / / Send