Standard SM-3 Block IIA
Standard SM-3 Block IIA
The Standard SM-3 missile is a derivative of Standard SM-2 Block IV developed to counter medium and long-range ballistic missiles and is a part of the Navy Theater Wide program. The SM-3 features a Third Stage Rocket Motor (TSRM) in addition of the Mk-72 booster and the Mk-104 rocket motor, a GPS/INS guidance section, and the LEAP (Lightweight Exo-atmospheric Projectile) kinetic warhead. The SM-3's warhead will be a hit-to-kill vehicle and the SM-3 would be optimized for the next generation of the AEGIS weapons system outfitted with the SPY-1E radar available from 2006 or 2007. The Standard Missile SM-3 Block IIA is a joint program between the United States of America Missile Defense Agency (MDA) and the Japanese Ministry of Defense (MoD). The increased flexibility missile will provide greater engagement capability against a wider variety of ballistic missile threats. Raytheon and Mitsubishi Heavy Industries are developing the SM-3 Block IIA with the aim to start flight tests in 2012. The US and Japanese Navies will deploy the new weapon aboard its Aegis-equipped destroyers and cruisers.
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