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The Kampfpanzer Leopard, subsequently Leopard 1 following the introduction of the successive Leopard 2, is a main battle tank designed by Porsche and manufactured by Krauss-Maffei in West Germany, first entering service in 1965. Developed in an era when HEAT warheads were thought to make conventional heavy armour of limited value, the Leopard design focused on effective firepower and mobility instead of heavy protection. It featured moderate armour, only effective against low caliber autocannons and heavy machine guns, giving it a high power-to-weight ratio. This, coupled with a modern suspension and drivetrain, gave the Leopard superior mobility and cross-country performance compared to most other main battle tanks of the era, only being rivaled by the French AMX-30 and Swedish Strv 103.
The main armament of the Leopard consists of a German license-built version of the British Royal Ordnance L7 105 mm rifled gun, one of the most effective and widespread tank guns of the era.
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