4″/50 caliber gun

The 4″/50-caliber gun was the standard low-angle, quick-firing gun for the United States, first appearing on the monitor Arkansas and then used on "Flush Deck" destroyers through World War I and the 1920s. It was also the standard deck gun on S-class submarines, and was used to rearm numerous submarines built with 3-inch (76 mm) guns early in World War II. United States naval gun terminology indicates the gun fired a projectile 4 inches in diameter, and the barrel was 50 calibers long. 4 inches x50 meant the barrel was 200 inches long, or 16 feet long.

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1914 — 1945  "/50_caliber_gun Wikimedia, Wikidata
102L50 naval gun USN; 4-inch 50 caliber gun; 4″/50 gun
100 mm naval gun, United States, 

30 mm Breda-Mauser, Canon de 24 C modèle 1864, naval artillery, 

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Location: KML, Cluster Map, Maps,

1914-01-01T00:00:00Z

1945-01-01T00:00:00Z

1914 — 1945 4″/50 caliber gun

1914-07-28T00:00:00Z

1914-07-28T00:00:00Z

World War I

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Frameless

The US Navy during the First World War Q18422

Op een Nederlands passagiersschip in dienst voor troepentransport. Nederlandse , Bestanddeelnr 935-3270

111-SC-2994 - U.S. Destroyer in heavy sea. View of gun on deck. - NARA - 55167380

111-SC-2998 - Crew of a U.S. Destroyer. - NARA - 55167388

The US Navy during the First World War Q18443

The US Navy during the First World War Q18437

Scenes on Deck, Bestanddeelnr 158-1920

Gun crew of USS Ward (DD-139), circa in December 1941 (NH 97446)

111-SC-2995 - Battleships accompanying Merchant convoy. - NARA - 55167382

The US Navy during the First World War Q18792

Type	Subtype	Date	Description	Notes	Source
commons	image		The US Navy during the First World War Q18422		Commons
commons	image		Op een Nederlands passagiersschip in dienst voor troepentransport. Nederlandse , Bestanddeelnr 935-3270		Commons
commons	image		111-SC-2994 - U.S. Destroyer in heavy sea. View of gun on deck. - NARA - 55167380		Commons
commons	image		111-SC-2998 - Crew of a U.S. Destroyer. - NARA - 55167388		Commons
commons	image		The US Navy during the First World War Q18443		Commons
commons	image		The US Navy during the First World War Q18437		Commons
commons	image		Scenes on Deck, Bestanddeelnr 158-1920		Commons
commons	image		Gun crew of USS Ward (DD-139), circa in December 1941 (NH 97446)		Commons
commons	image		111-SC-2995 - Battleships accompanying Merchant convoy. - NARA - 55167382		Commons
commons	image		The US Navy during the First World War Q18792		Commons