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HMS M20

HMS M20 was a First World War Royal Navy M15-class monitor.

Design
Intended as a shore bombardment vessel, M20s primary armament was a single 9.2 inch Mk VI gun removed from the HMS Gibraltar. In addition to her 9.2-inch gun she also possessed one 12 pounder and one six-pound anti-aircraft gun. She was equipped with a four-shaft Bolinder two-cylinder semi-diesel engine with 640 horsepower that allowed a top speed of eleven knots. The monitor's crew consisted of sixty-nine officers and men. ==Construction==
Construction
HMS M20 ordered in March, 1915, as part of the War Emergency Programme of ship construction. She was laid down at the Sir Raylton Dixon & Co. Ltd shipyard at Govan in March 1915, launched on 11 May 1915, and completed in July 1915. ==World War 1==
World War 1
M20 served within the Mediterranean from August 1915 to December 1918. She did not return to Home Waters, paying off at Malta. ==Disposal==
Disposal
M20 was sold on 29 January 1920 for mercantile service as an oil tanker and renamed 'Lima'. ==Citations==
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