Mark XII or Mark 12 often refers to the twelfth version of a product, frequently military hardware. "Mark", meaning "model" or "variant", can be abbreviated "Mk. "

Mark XII or Mark 12 can specifically refer to:

Contents 1 In technology 1.1 In military and weaponry 1.2 Other technology 2 Other uses

In technology

In military and weaponry

• BL 6 in L/45 Mark XII; a British naval gun
• MK-3-12 (1907); a Russian naval main weapon that used three 12-inch guns in a single mounting
• Mark 12 torpedo (1930); an American 21-inch torpedo
• 5"/38 Mark 12 (1934); a widely-used American 5-inch naval gun
• 18-inch Mark XII (1935); a British torpedo
• Supermarine Spitfire Mk XII (1942-1944); the first Griffon-engined Spitfire variant
• Hawker Hurricane Mk XII (1942); a Canadian-built Hurricane variant
• Gloster Meteor Mk XII; a British night fighter variant with American radar
• 21-inch Mark 12 (1952); a British torpedo
• Mark 12 nuclear bomb (1954-1962); an American nuclear bomb
• Colt Mk 12 cannon; a US Navy aircraft gun used in the 1950s and 1960s
• United States Navy Mark 12 Mod X Special Purpose Rifle (2002); a weapon system in use by United States Special Operations Forces

Other technology

• Sumlock ANITA calculator Mark 12 (1966); a British hybrid cold-cathode tube and transistor logic calculator

Other uses

• Mark 12 or Mark XII, the twelfth chapter of the Gospel of Mark in the New Testament of the Christian Bible
• Vox Mark XII; a 12-string electric guitar made in the 1960s

"MK-3-12" ( Russian: "МК-3-12" is a Russian and Soviet 305 mm (12 inch three-gun Naval artillery turret WikipediaWikiProject Aircraft. Please see WikipediaWikiProject Aircraft/page content for recommended layout WikipediaWikiProject Aircraft. Please see WikipediaWikiProject Aircraft/page content for recommended layout The Mark-12 Nuclear bomb was a US designed and manufactured lightweight nuclear bomb which was built starting in 1954 and saw service from then until 1962 The Colt-Browning Mk 12 was a 20 mm Cannon widely used by the United States Navy after World War II. The United States Navy Mark 12 Mod 0/1 Special Purpose Rifle ( SPR) is a Rifle in service with United States special forces in Operation Enduring Freedom The ANITA Mark VII and ANITA Mark VIII Calculators were launched simultaneously in late 1961 as the world's first all- electronic desktop Mark 12 is the twelfth chapter of the Gospel of Mark in the New Testament of the Christian Bible. The Mark VI is a Electric guitar made by Vox. The instrument is also known as the Vox Teardrop, but this is not the official name

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