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USS Tunny launching a Regulus I in 1958

A submarine-launched cruise missile (SLCM) is a cruise missile that is launched from a submarine (especially a SSG or SSGN). Current versions are typically standoff weapons known as land-attack cruise missiles (LACMs), which are used to attack predetermined land targets with conventional or nuclear payloads. Anti-ship cruise missiles (ASCMs) are also used, and some submarine-launched cruise missiles have variants for both functions. Brahmos is the fastest cruise missile currently developed, and has land-attack and anti-ship variants.

Four US Navy Ohio-class ballistic missile submarines (SSBN) were converted in the mid-2000s to be able to salvo launch up to 144 Tomahawk cruise missiles from their modified vertical launch submarine-launched ballistic missile (SLBM) tubes, as opposed to launching cruise missiles from torpedo tubes as is done from attack submarines. The advantage that the submarines have over guided missile destroyers and cruisers is the ability to remain undetected and launch while submerged. Tomahawk was deployed on US Navy attack submarines beginning in 1983, originally in LACM and ASCM versions, but the ASCM version was withdrawn in the 1990s.

The US Navy's first land-attack cruise missile submarines (4 SSG and 1 SSGN) deployed with the Regulus missile from 1958 until retired in 1964 with the arrival of the Polaris SSBNs in the Pacific.[1] The US deployed the short-range Harpoon anti-ship missile on submarines beginning in 1981. The Soviet Navy converted 13 Whiskey-class submarines (Project 613) for the LACM role in the late 1950s (Whiskey Single Cylinder, Whiskey Twin Cylinder, Whiskey Long Bin), armed with the SS-N-3 Shaddock (P5) missile. As Soviet SSBNs armed with SLBMs became available in the late 1960s, the Shaddock LACM was withdrawn and an ASCM version replaced it. The Echo- and Juliett-class submarines of the 1960s had a similar armament history, with the Echo I's converted to attack submarines because they could not accommodate an anti-ship guidance radar. The SS-N-3 ASCM was eventually replaced with the SS-N-12 (P-500). Later, the Charlie- and Oscar-classes were designed to use long-range ASCMs, the SS-N-9 (P-120) and SS-N-19 (P-700) respectively. Only the Oscar-class remains in service. In 1990, it was reported that the Soviet Navy had deployed between 50 and 300 SLCMs.[2] The current Akula- and Severodvinsk-class submarines are armed with the SS-N-21 (S-10) LACM.[3]

Jane's Defence Weekly reports that the Dolphin-class submarines are believed to be nuclear armed, offering Israel a sea based second strike capability. In adherence to Missile Technology Control Regime rules the US Clinton administration refused an Israeli request in 2000 to purchase Tomahawk long range SLCMs. The Federation of American Scientists and GlobalSecurity.org report that the four larger torpedo tubes are capable of launching Israeli built nuclear-armed Popeye Turbo cruise missiles[4]

The fore section of a US attack submarine with the doors of the vertical launch system for Tomahawk missiles in the open position

Specific types of SLCMs (LACMs unless noted) include:



  • Gardiner and Chumbley, Conway's All the World's Fighting Ships 1947-1995, Conway Maritime Press, 1995, ISBN 1-55750-132-7

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Submarine-launched_cruise_missile — Please support Wikipedia.
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60 news items

The National Interest Online (blog)

The National Interest Online (blog)
Fri, 25 Sep 2015 06:45:43 -0700

Podvig believed a long-range submarine-launched cruise missile had been tested without due regard to launcher type. Subsequently, on June 23, Rose Gottemoeller's Interfax interview carried a few more clues. The U.S. had been discussing this issue with ...


Tue, 15 Sep 2015 09:29:35 -0700

Among those with alternative theories is Pavel Podvig, a Geneva-based researcher and widely read arms-control blogger. He speculated that the weapon in question may be a submarine-launched cruise missile that was tested at a ground facility -- which is ...

Washington Free Beacon

Washington Free Beacon
Fri, 20 Mar 2015 14:41:03 -0700

“We have eliminated our only nuclear submarine-launched cruise missile, are ending production of our Tomahawk conventional ship launched cruise missile and the range of our air-launched conventional cruise missile is less than 1,000 kilometers,” he said.


Thu, 12 Mar 2015 07:15:00 -0700

Warsaw is ready to buy SLCM (Submarine-launched cruise missile) version of long-range Tomahawk missiles either directly from the US or from any other country ready to assist, Defense Minister Tomasz Siemoniak told Polish radio on Thursday. “One of the ...
Naval Technology
Wed, 12 Nov 2014 04:00:00 -0800

China Aerospace Science and Industry (CASIC) has unveiled its new CM-708UNA submarine-launched cruise missile at the tenth China International Aviation and Aerospace Exhibition in Zhuhai. Designed for launch through a torpedo tube, the CM-708UNA ...

Washington Free Beacon

Washington Free Beacon
Fri, 21 Aug 2015 02:00:00 -0700

“The Obama administration in the 2010 Nuclear Posture Review Report announced the elimination of the nuclear-armed version of the Tomahawk submarine launched cruise missile,” he added. “If Putin attacks one of the vulnerable NATO states, the Kalibr ...
Sat, 26 Jan 2013 00:20:51 -0800

Russia's leading shipyard finished deep modernization of the Indian submarine INS Sindhurakshak (Sea giant). Armed with latest multi-role missile system, radar and electronics, the sub promises to become the game-changing backbone of the Indian Navy.

Wall Street Journal (blog)

Wall Street Journal (blog)
Wed, 22 Apr 2015 22:17:24 -0700

Estimating the size of North Korea's nuclear arsenal is a high-stakes guessing game. Nuclear specialists look at a range of variables, including the country's capacity to produce centrifuges needed to enrich uranium, and how much of the end product ...

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