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The 16 inch gun M1919 (406 mm) was a large coastal artillery piece installed to defend the United States' major seaports between 1920 and 1946. It was operated by the United States Army Coast Artillery Corps .
Construction of the 16-inch Mark 2 and Mark 3 guns was also cancelled with 70 completed, plus the prototype, Gun No. 42. Twenty of the existing guns were transferred to the Army in 1922 to supplement the Army's more massive and much more expensive 16-inch gun M1919, of which only seven were ever deployed. The remaining Mk2/Mk3 guns were ...
The M1919 was an air-cooled development of the standard U.S. machine gun of World War I, the John M. Browning-designed water-cooled M1917. The emergence of general-purpose machine guns in the 1950s pushed the M1919 into secondary roles in many cases, especially after the arrival of the M60 in US Army service.
16-inch gun M1919 United States: 1920 - 1945 406: 16-inch howitzer M1920 United States: 1922 - 1945 406: 16"/50 caliber Mark 2 gun United States: 1920 - 1945 406: 40.6 cm / SKC 34 Naval gun "Adolf Gun" Nazi Germany: World War II - Cold War 410: 41 cm/45 3rd Year Type naval gun Japan: 1920 - 1945 450: RML 17.72 inch gun United Kingdom: 1877 - 1906
US Army 16-inch gun M1919 on barbette mount M1919; this was a high-angle mount with elevation to 65°. Barbettes are several types of gun emplacement in terrestrial fortifications or on naval ships. In recent [when?] naval usage, a barbette is a protective circular armour support for a heavy gun turret.
This originated the 16-inch M1920 howitzer, 25 calibers long. The high-angle M1920 barbette carriage was designed to allow plunging fire with an elevation of 65 degrees. A similar carriage was also developed for the 16-inch gun M1919, 50 calibers long, with the same elevation and for the same reason. [6]
The last new disappearing gun installation was a solo 16-inch gun M1919 at Fort Michie on Great Gull Island, New York, completed in 1923. In the U.S., due to lack of funding for sufficient replacements, the disappearing gun remained the most numerous type of coast defense weapon until replaced by improved weapons in World War II .
E27 Carriages, disappearing, 16", L.F. - all models - Parts and equipment (16-inch gun M1895, 16-inch gun M1919) E28 Howitzer 16-inch, M1920. on Barbette Carriage M1920; E29 Carriages, mortar, 12" - all models - Parts and equipment; E30 Mount, pedestal, gun, 75mm, M1 - all models - Parts and equipment 75 mm gun M1916