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US Naval Research, Raytheon SM-6 Block 1B SM-6 Hypersonic Speed, Anti-Surface Role

A U.S. Navy document that cryptically describes a versatile and powerful new missile likely offers the first confirmation of the hypersonic speed and newly acquired, antisurface-warfare role for the Raytheon SM-6 Block 1B. The terse reference in a written submission by Navy officials to the House Armed Services Committee on March 11 also likely offers the first proof that the SM-6 Block 1B remains in development, even after the Navy scrubbed all references to the project in the latest round of fiscal 2021 budget documents.

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