Shown here is a F4U-1D Corsair of VMF-511 assigned to MCVG-1, is having its .50 cal. MGs maintained by a Marine "ordie" aboard USS Block Island (CVE-106), during the battle for Okinawa, 5 June 1945. MCVG-1 and Block Island, were the first Marine/CVE team to form. USMC.