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  • Air Service Recruitment Poster

    Note: This item is currently in storage.Many were eager to join the war effort, and war posters were an exciting way to inspire young recruits in World War I.  This 1917 poster, with artwork by J. Paul Verrees, was created to recruit young aviators to serve at the Front, “Join the Air Service and

  • Andrew J. LaBoiteaux

    Note: This item is currently in storage. The road to becoming a pilot during World War I was neither fast nor easy. Andrew J. LaBoiteaux, of Middletown, Ohio, began his journey in August, 1917 at the U.S. Army Recruiting Station in Cincinnati. After completing a course of studies at the School of

  • Apollo 15 Command Module

    Command Module EndeavourApollo 15 was the fourth successful moon landing mission and the only Apollo mission with an all-U.S. Air Force crew. Col. David R. Scott, Lt. Col. James B. Irwin, and Maj. Alfred M. Worden flew this spacecraft, named Endeavour, to the moon in July 1971. The command module is

  • Aerojet-General LR87 Liquid Rocket

    The LR87 is a liquid-fueled rocket engine first used on Titan Intercontinental Ballistic Missiles (ICBMs). LR87 variants also powered the first stages of Titan space boosters in the Gemini manned spaceflight program and various Titan space launch vehicles. Though this powerful engine is in reality

  • Austro-Hungarian Balloon Corp Collar Insignia

    Note: This item is currently in storage. This insignia was worn by members of the Balloon Corp of the Austro-Hungarian Army. The Austro-Hungarian Army was the combined military force of Austria and Hungary during World War I. During WWI, observation balloons were used by all major powers for

  • American Expeditionary Forces Field Service Postcard

    Note: This item is currently in storage.This concise, standardized postcard was developed by American commanders to improve morale and hasten the line of communication between troops at the Front and their nervous families waiting back home. Regular use of this card streamlined postal correspondence

  • Allison V-3420

    The V-3420 is a 24-cylinder double-vee, twin-crankshaft, liquid-cooled engine derived from the V-1710, a 12-cylinder engine that powered such World War II aircraft as the Lockheed P-38, Bell P-39 and the Curtiss P-40.Essentially, the V-3420 is two V-1710 engines mounted on a single crankcase with

  • Allison T40

    The unusual Allison T40 turboprop engine combined two T38 gas turbine power sections that drove a common gearbox (turboprop engines typically have only one gas turbine power section). A unique version, the XT40-A-1, powered the experimental XF-84H aircraft. While most T40 engines drove

  • AFRL Pulsed Detonation Engine

    AFRL (Air Force Research Laboratory) personnel developed this Pulsed Detonation Engine (PDE) in the 2000s using mostly inexpensive, off-the-shelf automotive components. The engine worked by detonating the fuel-air mixture in repeated, controlled explosions. The resulting shockwaves created a peak

  • American Helicopter Co. XH-26 Jet Jeep

    In 1951 at the request of the U.S. Army, the U.S. Air Force developed the XH-26, a one-man, pulsejet-driven helicopter. Rather than having an internal engine like other helicopters, the Jet Jeep was powered by two pulsejets on the end of each rotor blade tip. American Helicopter chose the name