The united state Navy’s Program Exec Workplace, Integrated War Solutions, introduced a brand-new layout for the hypersonic SM-6 Block IB at the Surface area Navy Organization’s 2025 Seminar previously this month, damaging from the previous rifle round layout that included a standard 13.5-inch size advice and warhead area and 21-inch electric motor area.
The brand-new layout, introduced throughout a panel at SNA 2025, reveals a brand-new SM-6 Block IB idea with a consistent 21-inch size body very closely matching the SM-3 Block IIA. The initial stage booster is likewise considerably much longer.

Previous SM-6 Block IB principles have actually revealed a rifle casing layout for the rocket electric motor, with the rocket maintaining a 13.5-inch size for the warhead and electronic devices section. The upgraded body will certainly cause much less wind resistant stress and anxieties provided rates the brand-new SM-6 is anticipated to attain.

Northrop Grumman tested a 21-inch booster in December of 2024 in “assistance of the united state Navy’s future extended-range ability requirements.” It is most likely that this electric motor is planned for the hypersonic SM-6 Block IB.
” The Criterion Missile-6 (SM-6) Block IB is an upgrade of the SM-6 BLK IAU, which gives long-range fires ability by applying boosted software application and changing the existing Mk 104 Dual-Thrust Rocket Electric Motor (DTRM) with a brand-new 21-inch rocket electric motor to expand the variety. The SM-6 BLK IB provides to the Navy and Joint Pressure a transformative multi-domain, multi-mission offending hypersonic kinetic ability.”
United State Navy FY2025 Budget Plan Records
Reduced price manufacturing of the SM-6 Block IB started in FY2024. A landmark B choice anticipated at the end of 2025. The hypersonic rocket is anticipated to get to preliminary functional ability in FY2026. Raytheon (RTX) is the prime professional for the program.
The blog post New U.S. Navy Hypersonic Missile Design Unveiled At SNA 2025 showed up initially on Naval News.
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