page_title: Davis gun
section_title: Description
hierarchical_section_title: Davis gun / Description
caption_attribution_description: English: Diagram of various ammunition types used in the Davis gun
context_page_description: The Davis gun was the first true recoilless gun developed and taken into service. It was developed by Commander Cleland Davis of the US Navy, in 1910, just prior to World War I.
context_section_description: Davis' design connected two guns back to back, with the backwards-facing gun loaded with lead balls and grease of the same weight as the shell in the other gun, acting as a counter. His idea was used experimentally by the British and Americans as an anti-Zeppelin and anti-submarine weapon  mounted on the British Handley Page O/100 bomber and the American Curtiss HS-2L and H-16 (flying boats)  respectively. The direct development of the gun ended with World War I, but the firing principle has been copied by later designs.
caption: Different types of Davis-type ammunition[2]
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