US Navy Life jacket marked VR7 Squadron

B-4 pattern AN-6519-1 life preserver vest aka Mae-West as issued to Paratroopers, US Army Air Force or US Naval aviators. From February 1944, AN-6519 was the new designation for the B-4 life preserver as part of an effort to expedite mass production of a vest that could be issued to the Army or Navy Air Force (A-N=Army-Navy). Dated January 1945, made by United States Rubber CO. The vest is marked with an anchor indicating US Navy issue.