Helicopter Bell AH-1J Sea Cobra Serial 26030 Register 157786 used by US Marine Corps USMC. Aircraft history and location Aircraft History 157786 US Marine Corps 1982-09-30 A HMNB Portsmouth USS Guadalcanal HMA-773 /MP-417 noted aboard USS Guadalcanal at HMNB Portsmouth between 30 Sep-6 Oct 1982 1984-03-11USMC w/o 11mar84 Send Updates Use APP to upload photo @ (optional) When Now? / / Send