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The 3-inch/50-caliber gun (Mark 22) was a semiautomatic anti-aircraft weapon with a power-driven automatic loader and was fitted as single and twin mounts. The single mount was to be exchanged for a twin 40 mm antiaircraft gun mount, and the twin 3-inch/50 for a quadruple 40 mm mount, on Essex -class aircraft carriers , and Allen M. Sumner and ...
12 inch/50 caliber naval gun United States Argentina: World War I - World War II - Cold War 305 mm (12.0 in) 12"/50 caliber Mark 8 gun United States: World War II - Cold War 317.5 mm (12.50 in) RML 12.5 inch 38 ton gun United Kingdom: 1875 - 1890s 320 mm (13 in) Gonzalez Hontoria de 32 cm mod 1883 Spain: 1883 – 1920s 320 mm (13 in)
0–9. 1.1-inch/75-caliber gun; 3-inch/21-caliber field gun; 3-inch/23-caliber gun; 3-inch/50-caliber gun; 3-inch/70-caliber Mark 26 gun; 4-inch/40-caliber gun
The 3-inch gun M1918 was a United States 3-inch anti-aircraft gun that entered service in 1918 and served until it was largely superseded by the 3-inch anti-aircraft gun M3 in 1930, though the M1918 remained with some National Guard units until early in World War II. [3]
The 3-inch gun M5 was an anti-tank gun developed in the United States during World War II. The gun combined a 3-inch (76.2 mm) barrel of the anti-aircraft gun T9 and elements of the 105 mm howitzer M2. The M5 was issued exclusively to the US Army tank destroyer battalions starting in 1943.
The 3-inch round was chosen because it was the smallest caliber ammunition that could be fitted with a VT radar proximity fuze. The twin barrel mount was believed to be more effective against faster aircraft and guided missiles than the single mounted 5"/54 caliber Mark 42 gun, hence, the single barrel version of the Mark 26 never saw service use.
A 3-inch gun is a gun with a 3-inch bore. Examples include: 3-inch M1902 field gun also M1904, M1905; 3-inch gun M1903 - US coast defense gun, also M1898, M1902 seacoast gun; 3"/50 caliber gun - US dual purpose naval gun; 3"/23 caliber gun - US dual purpose naval gun; QF 3 inch 20 cwt - British anti-aircraft gun; 3-inch Gun M1918 - US anti ...
The 4-inch/50-caliber guns removed from destroyers were mounted on Defensively Equipped Merchant Ships of the British Merchant Navy and United States Merchant Marine like SS Stephen Hopkins. [1] As S-boats were transferred from combat patrols to training duties from mid-1942 through 1943, their 4-inch guns were removed and used to re-equip ...