Merriam Press Military Reprint 18. First Edition (November 2012). Full-color reprint of Naval aircrewman's gunnery manual, OPNAV 33-40/NAVAER 00 80S-40, of 1944, issued by Aviation Training Division, Office of the Chief of Naval Operations, U.S. Navy, in Collaboration with U.S. Army Air Forces. Provides detailed coverage of the Caliber .50 Browning Machine Gun, M2, its operation, field stripping and assembly, handling, safety rules, cycle of operation, adjustments, care and cleaning, gun mount adapters, ammunition, loading ammunition, pre-flight checks, post-flight checks, trouble shooting, as well as the Caliber .45 Automatic Pistol and the Caliber .30 Browning Machine Gun, M2. Also covers Sighting and Sights and Turrets (Grumman Ball, Erco Teardrop, Erco Ball, Martin Ball, Martin Electric Upper Deck, Martin Hydraulic Upper Deck, Martin Hydraulic Tail, Consolidated Tail, Sperry Retractable Ball, Bendix Upper Deck, and Emerson Bow). Hundreds of photographs and illustrations, with color throughout. Original complete copies are extremely rare.