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  1. Copilot Answer
    Development

    In the 1970s, the U.S. Air Force began looking for a replacement for its Lockheed C-130 Hercules tactical cargo aircraft. The Advanced Medium STOL Transport (AMST) competition was held, with Boeing proposing the … See more

    Design

    The C-17 Globemaster III is a strategic transport aircraft, able to airlift cargo close to a battle area. The size and weight of U.S. mechanized firepower and equipment have grown in recent decades from increased a… See more

    Operational history

    The first production C-17 was delivered to Charleston Air Force Base, South Carolina, on 14 July 1993. The first C-17 unit, the 17th Airlift Squadron, became operationally ready on 17 January 1995. It has broken 22 records for … See more

    Variants

    • C-17A: Initial military airlifter version.
    • C-17A "ER": Unofficial name for C-17As with extended range due to the addition of the center wing tank. This upgrade was incorporated in production beginning in 2001 with … See more

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