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Document Likely Shows SM-6 Hypersonic Speed, Anti-Surface Role | Aviation Week Network
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.
aviationweek.com
Also, written testimony submitted by James Guerts, assistant Navy secretary for acquisition, offers the first confirmation of the service’s third hypersonic-weapon development program, joining the anti-air Hypervelocity Projectile in development by the Strategic Capabilities Office and the intermediate-range Conventional Prompt Strike (CPS) program.
Under a single paragraph headlined as “Hypersonics” in Guerts’ testimony, he describes the HVP and CPS—a 34.5-in.-dia., two-stage booster stack topped by a hypersonic glide vehicle—and a third, unnamed and previously undisclosed hypersonic program.