urface warfare is in the news as navies tackle pirates off the Somali coast. The impact of piracy reflects the importance of sea lanes to a global economy, and navies are reequipping to deal with high- and low-level threats. One result is the emergence of a variety of antiship missiles. DTI has covered Chinese, Russian and Indian developments, but the rest of the world is also responding to changing threats.
At the U.S. Navy League exhibition in Washington this month, Raytheon Missile Systems will unveil an upgrade to the BGM/UGM-109E Tomahawk Block IV land-attack cruise missile that will make it a multirole weapon capable of hitting moving ships. The package has four elements: An active electronically scanned array, millimeter-wave seeker provides target acquisition and homing; a passive electronic surveillance system is for long-range acquisition and identification; the 1,000-lb. blast-fragmentation warhead is replaced by a shaped charge; and the two-way data link gets more bandwidth.
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