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Table 1 Soviet and U.S. Sea-Launched Cruise Missiles [[3 column table]] Missile | Range (km) | Arming Short Range Soviet SS-N-2 | 80 | Conventional SS-N-3 | 460 | Dual SS-N-7 | 60 | Dual SS-N-9 | 100 | Dual SS-N-12 | 550 | Dual SS-N-19 | 550 | Dual SS-N-22 | 100 | Dual U.S. Harpoon | 110 | Conventional Tomahawk TASM | 460 | Conventional Long-range Soviet SS-N-21 | 3,000 | Nuclear SS-N-24* | ? | Nuclear U.S. Tomahawk TLAM/N | 2,500 | Nuclear TLAM/C,D | 1,300 | Conventional [[note]] *The SS-N-24 has not yet been deployed [/note]] conventional warheads; two long-range, land-attack variants that are conventionally armed; and one long-range variant that carries a nuclear warhead. These variants have essentially identical airframes (about 21 feet in length, including the solid-rocket booster, and 20.3 inches in diameter). The operational ranges of these variants are quite different: the range of the anti-ship variant is about 450 kilometers, whereas those of conventional and nuclear land-attack SLCMs are about 1,300 and 2,500 kilometers, respectively.^2 All Tomahawk variants can be launched from a variety of platforms; currently 69 U.S. surface ships and submarines are Tomahawk-capable. The only other U.S. SLCM is the Harpoon, a conventionally armed, anti-ship weapon with a range of 100 kilometers. In 1986 the Soviets began deploying their own long-range, land-attack SLCM, the SS-N-21. This subsonic missile appears to be quite similar to the Tomahawk. At present there is only a nuclear-armed version of the _______ 2. For a discussion of the characteristics of sea-launched cruise missiles, see Potential Verification Provisions for Long-Range, Nuclear-Armed Sea-Launched Cruise Missiles (workshop report, Center for International Security and Arms Control, Stanford, July 1988). 2