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  • Stinson L-5 Sentinel

    The L-5 was the military version of the commercial Stinson 105 Voyager. The U.S. Army Air Forces purchased six Voyagers in 1941 as YO-54s for testing, and quantity orders for Sentinels began in 1942. Between 1942-1945, the USAAF ordered 3,590 L-5s, making it the second most widely used USAAF liaison

  • Strengthening the Air Corps

    Fortunately for the U.S., President Franklin D. Roosevelt realized the dominant role played by Hitler's Luftwaffe in European international relations, and on Jan. 12, 1939, he delivered a special message to Congress calling for strengthening of the Air Corps. Congress then authorized $300 million

  • Strategic Bombing

    1917 also saw the Italian bomber come into its own as an important and effective weapon. As production of new aircraft increased, additional squadrons were equipped, trained and deployed against the Austro-Hungarians. The first night raids were conducted in early January and soon became a regular

  • Sergeant's Field Uniform, U.S. Army Air Service, WWI

     The intertwined "ASM" at the top of his left sleeve identifies him as an Air Service Mechanician. His rank is on his right sleeve, while the red chevron on his left sleeve is a postwar addition, denoting service in the Great War. This sergeant served one year overseas, as denoted by two six-month

  • St. Mihiel Offensive

    During the summer months, while America's seven combat squadrons were fighting over the Marne, the Air Service continued its build-up on the Toul Front and by Sept. 12, 1918, when the St. Mihiel Offensive began, 20 additional squadrons -- seven pursuit, nine day-observation, three day-bombardment

  • Standard J-1 (Fabric Removed)

    The U.S. Army Air Service used the Standard J-1 during World War I for primary flight instruction. Although 1,601 J-1s were produced by four manufacturers (Standard, Dayton-Wright, Fisher Body and Wright Martin), the J-1 never achieved the popularity of the more numerous JN-4 Jenny.The fabric

  • SPAD XIII C.1

    In 1916 a new generation of German fighters threatened to win air superiority over the Western Front. The French aircraft company, Société pour l'Aviation et ses Dérives (SPAD), responded by developing a replacement for its highly successful SPAD VII. Essentially a larger version of the SPAD VII

  • SPAD VII

    The famed American volunteers of the French Lafayette Escadrille were flying the SPAD VII in February 1918 at the time they transferred to the U.S. Army Air Service, becoming the 103rd Aero Squadron. Several other U.S. units also used the SPAD VII, although most American Expeditionary Force (AEF)

  • Sturtevant 5A

    The Sturtevant 5A engine, rated at 140 hp, powered the Sturtevant S-4 and some L.W.F. V-1 training airplanes used by the Signal Corps at North Island, Calif., and Mineola, N.Y., during 1916 and 1917. Neither of these airplanes proved suitable, partly because of the 5A engine's high power to weight

  • Standard J-1

    The Standard Aircraft Co. J-1 was a two-seat primary trainer used by the U.S. Army Air Service to supplement the JN-4 Jenny. Similar in appearance to the JN-4, the J-1 was more difficult to fly and never gained the popularity of the legendary Jenny.Standard developed the J-1 from the earlier Sloan