"US USN USMC A-6 Intruder Squadron Signal Aircraft No 20 SC Reference Book" is an invaluable resource for aviation enthusiasts and military historians alike. This used softcover reference book offers a comprehensive look at the A-6 Intruder, a renowned all-weather attack aircraft utilized by the United States Navy (USN) and Marine Corps (USMC). Spanning 50 pages, it is richly illustrated with numerous photographs and packed with detailed information about the aircraft's design, development, and operational history. Each section provides insights into various aspects of the Intruder, from its technical specifications and avionics to its pivotal role in numerous military operations. Ideal for modelers, researchers, and veterans, this Squadron Signal publication (Aircraft No. 20) serves as a thorough guide to understanding the A-6 Intruder's significant impact on modern naval aviation.