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An anti-ship ballistic missile (ASBM) is a military quasiballistic missile system designed to hit a warship at sea. The ASBM's conventional warhead and kinetic energy may be sufficient to cripple or outright destroy a supercarrier with a single hit. However, unlike a nuclear warhead, this will require a direct hit to be effective. Thus, and unlike a typical ballistic missile, which follows a ballistic flightpath after the relatively brief initial powered phase of flight, an ASBM would require a precise and high-performance terminal guidance system, with in-flight updates or advanced sensors in order to hit its moving target. ==Soviet Union== The 4K18 was a Soviet Union intermediate-range ballistic anti-ship missile (also known as R-27K, where "K" stands for Korabelnaya which means "ship-related") NATO SS-NX-13. Initial submarine testing began on 9 December 1972 on board the K-102, a project 605 class submarine. Test firings were carried out between 11 September and 4 December 1973. Following the initial trials, the K-102 continued making trial launches with both the R-27 and the R-27K, until it was accepted for service on 15 August 1975. Using external targeting data, the R-27K/SS-NX-13 would have been launched underwater to a range of between 350-400 nm (650–740 km), covering a "footprint" of 27 nm (50 km). The Maneuvering Re-Entry vehicle (MaRV) would then home in on the target with a CEP of 400 yards (370 m). Warhead yield was between 0.5-1 Mt. The R-27K / SS-NX-13 was the world's first Anti Ship Ballistic Missile however it never became operational, since every launch tube used for the R-27K counted as a strategic missile in the SALT agreement, and they were considered more important. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Anti-ship ballistic missile」の詳細全文を読む スポンサード リンク
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