Ballistic missile submarine

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A ballistic missile submarine is a submarine equipped to launch ballistic missiles (SLBMs), such as the Russian SS-N-18 or the American Trident.

Although some early models had to surface to launch their missiles, modern vessels typically launch while submerged at depths usually less than 50 meters (164 feet). Ballistic missile submarines differ from attack submarines and cruise missile submarines; while attack submarines specialize in combat with other naval vessels (including enemy submarines and merchant shipping), and cruise missile submarines are designed to attack large warships and tactical targets on land, the primary mission of the ballistic missile is nuclear deterrence. Accordingly, the mission profile of a ballistic missile submarine concentrates on remaining undetected, rather than aggressively pursuing other vessels.

Ballistic missile submarines are designed for stealth, to avoid detection at all costs. They use several design features, such as anechoic tiles on their hull surfaces, carefully designed propulsion systems, machinery mounted on vibration damping mounts etc. to remain undetected.

The need to accommodate SLBMs means that ballistic missile submarines are larger than all other classes of submarine. The most obvious examples of this were the later Russian Navy Delta III and IV classes.

SSBN is the United States Navy's hull classification symbol for a fleet ballistic nuclear missile submarine. The SS stands for sub surface, the B denotes ballistic missile capability, and the N denotes nuclear power. In American naval slang, ballistic missile submarines are called "boomers."

The French Navy strategic nuclear submarines are designated "SNLE", for Sous-marin Nucléaire Lanceur d'Engins ("Device-Launching Nuclear Submarine").

Many navies use two crews per boat to maximize patrol time. In the U.S. Navy, the two crews are called blue crew and gold crew. In the Royal Navy, the two crews are called port crew and starboard crew. The French Navy uses blue and red for its crews.

Contents 1 SSBN classes (in service) 2 SSBN classes (retired) 3 SSBN classes (under construction) 4 SSB classes (mostly retired) 5 Trivia 6 See also

[edit] SSBN classes (in service)

• France
  • Le Triomphant class
• Russian Federation
  • Typhoon class
  • Delta III and IV classes
• United States
  • Ohio class
• United Kingdom
  • Vanguard class
• People's Republic of China
  • Xia class submarine
  • Type 094 submarine

[edit] SSBN classes (retired)

• France
  • Redoutable class
• United Kingdom
  • Resolution class
• United States
  • George Washington class
  • Ethan Allen class
  • Lafayette class
  • James Madison class
  • Benjamin Franklin class
• Russian Federation/Soviet
  • Hotel class
  • Yankee class
  • Yankee II class
  • Delta I class
  • Delta II class

[edit] SSBN classes (under construction)

• Russian Federation
  • Borei class

[edit] SSB classes (mostly retired)

SSB means diesel-propelled ballistic missile submarine, e.g. the Soviet Union Golf class. The People's Republic of China built a single modified example in 1966 which is apparently still in service.

[edit] Trivia

• In American naval slang, submarines are the only vessels referred to as "boats", whereas surface vessels are colloquially referred to as "ships".
• SSBNs are referred to as "boomers" by the US Navy.

[edit] See also

• SSN - attack submarine
• SSGN - cruise missile submarine
• SLBM - submarine launched ballistic missile