SM-4, or the Standard Missile-4, is a surface-to-air missile developed by Raytheon as part of the U.S. Navy's Standard Missile family. It is designed primarily for fleet air defense and can engage a range of aerial threats, including aircraft, cruise missiles, and ballistic missiles. The SM-4 was developed to be compatible with existing Aegis Combat Systems, enabling it to leverage advanced tracking and targeting capabilities.
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