Office of the Chief of Naval Operations / U. S. Navy February 1944. First edition. Staple-bound book in stiff printed wrappers. 17 cm. 45 pages. 2-3 color illustrations throughout. Prepared by the Army Air Forces Operations Analysis Section and A. A. F. Training Aids Division in collaboration with U. S. Navy and Central Flexible Gunnery Instructors School. In very good condition. No writing/markings within the interior text. Light to moderate edge wear rubbing soiling staining to the covers. Scarce. Office of the Chief of Naval Operations / U. S. Navy unknown