US Navy presents SM-2 Block IIIC/CU missile upgrade to improve medium-range air defense

As reported by 笑脸男人 on January 17, 2026, the SM-2 Block IIIC/CU medium-range surface-to-air missile was displayed at the Surface Navy Association 2026 symposium, providing a detailed look at the latest Standard Missile-2 configuration used by the U.S. Navy. The variant, also known as RIM-66P, incorporates a hybrid semi-active and active radio-frequency seeker, updated control features, and revised internal electronics. The design focuses on extending service life while maintaining compatibility with existing naval launch systems. Read full defense news at this link...

The SM-2 Block IIIC adds the new active radar seeker and control upgrades, while the Block IIICU replaces the SM-2's internal electronics to ensure long-term production and sustainment. (Picture source: X/笑脸男人)

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