5 inch/54 caliber Mark 42 gun

The Mark 42 5"/54 caliber gun (127mm) is a naval gun mount used by the United States Navy and other countries. It consists of the Mark 18 gun and Mark 42 gun mount. United States naval gun terminology indicates the gun fires a projectile 5 inches (127.0 mm) in diameter, and the barrel is 54 calibers long In the 1950s, a gun with more range and a faster rate of fire than the 5"/38 caliber gun used in World War II was needed; therefore, the gun was created concurrently with the 3"/70 Mark 26 gun for different usages. The 5"/54 Mk 42 is an automatic, dual-purpose gun mount. It is usually controlled remotely from the Mk 68 Gun Fire Control System, or locally from the mount at the One Man Control (OMC) station.

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1953  "/54_caliber_Mark_42_gun Wikimedia, Wikidata
naval artillery, rifled breech loader, United States Navy, United States, 

12 inch/35 Mark II gun, 12 inch/50 Mark 7 gun, 13 inch/35 Mark I gun, 13 inch/35 Marks 1,2 gun, 16 inch/45 calibre gun, 16 inch/45 Mark 6 gun, 16"/50 caliber Mark 2 gun, 3 inch/50 calibre gun, 30 mm Breda-Mauser, 5 inch/54 caliber Mark 45 gun, 6 inch/30 gun, 6 inch/30 Mark 3 gun, 6 inch/35 calibre Mark III gun, 6 inch/40 Mark 4 gun, 6 inch/47 calibre Mark 16 gun, 8 inch/30 calibre gun, 8 inch/35 calibre Mark IV gun, Canon de 24 C modèle 1864, Dahlgren gun, naval artillery, naval artillery, QF 6 pounder Driggs-Schroeder gun, rifled breech loader, 

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Location: KML, Cluster Map, Maps,

1953-01-01T00:00:00Z

1953-01-01T00:00:00Z

1953 5 inch/54 caliber Mark 42 gun

1955-11-01T00:00:00Z

1955-11-01T00:00:00Z

Vietnam War

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Frameless

High Altitude Sounding Projectile launch USS John S. McCain (DL-3) c1962

Loki rocket launch tube on USS John S. McCain (DL-3 c1962

Mk 42 127 mm gun on USS Capodanno (FF-1093) c1983

USS Wilkinson (DL-5) fires a RUR-4 Weapon Alpha off Newport, Rhode Island (USA), circa in 1956 (80-G-K-20408)

D186 Mölders Buggeschuetz

Million pound round fired by USS Edson (DD-946) at Vietnam in 1968

USS King (DLG-10) providing gunfire support off Vietnam, in 1972-1973

USS Capodanno (FF-1093) fires 127 mm gun c1983

127 mm guns aboard USS Ranger (CVA-61) firing c1961

USS John S. McCain (DDG-36) firing its 127mm gun, circa in 1970

Type	Subtype	Date	Description	Notes	Source
commons	image		High Altitude Sounding Projectile launch USS John S. McCain (DL-3) c1962		Commons
commons	image		Loki rocket launch tube on USS John S. McCain (DL-3 c1962		Commons
commons	image		Mk 42 127 mm gun on USS Capodanno (FF-1093) c1983		Commons
commons	image		USS Wilkinson (DL-5) fires a RUR-4 Weapon Alpha off Newport, Rhode Island (USA), circa in 1956 (80-G-K-20408)		Commons
commons	image		D186 Mölders Buggeschuetz		Commons
commons	image		Million pound round fired by USS Edson (DD-946) at Vietnam in 1968		Commons
commons	image		USS King (DLG-10) providing gunfire support off Vietnam, in 1972-1973		Commons
commons	image		USS Capodanno (FF-1093) fires 127 mm gun c1983		Commons
commons	image		127 mm guns aboard USS Ranger (CVA-61) firing c1961		Commons
commons	image		USS John S. McCain (DDG-36) firing its 127mm gun, circa in 1970		Commons