A Raytheon Company Standard Missile-2 (SM-2) Block IV with control systems
upgrades was successfully flight tested against a subsonic target at White Sands
Missile Range, New Mexico, February 16. The upgrades will provide the U.S. Navy
with improved performance at a lower cost.
The SM-2 Block IV upgrade includes a new steering control section, new thrust
vector actuator assembly for the boost rocket motor and a new primary missile
battery as well as upgrades to the guidance and control software. The upgrade
was completed as part of a value engineering project at Raytheon Missile Systems
in Tucson, Arizona. The improvement will result in a significant cost reduction
of the missile.
SM-2 is launched from cruisers and destroyers. The missile has enhanced
precision and kinematics throughout the threat envelope as well as improved
countermeasures performance. The SM-2 Block IV upgrades are applicable to all
extended-range Standard Missile variants, including SM-3 and SM-6.
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