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    Wikipedia
    https://en.wikipedia.org/wiki/DEFA_cannon
    DEFA cannon - Wikipedia
    TypeRevolver cannon
    Place of originFrance
    In service1954–present
    Used byFrance, Switzerland, Israel, Italy, South Africa and others.
    Summary

    The DEFA cannon (Direction des Études et Fabrications d'Armement) is a family of widely used French-made aircraft revolver cannon firing 30 mm caliber NATO standard rounds. See more

    Overview

    The DEFA 553 is a gas-operated five-chamber revolver cannon using pyrotechnic cocking and electrical ignition. It fires a range of 30 mm ammunition of various types, and is capable of continuous fire or 0.5-secon… See more

    Service use

    The DEFA 550 series was the standard cannon armament of all gun-armed French fighters from 1954 until the advent of the Dassault Rafale in the 1980s. A pair of these weapons, with 125–135 rounds per gun, is stan… See more

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