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Vessel · Undersea

Columbia-class submarine

Ballistic missile submarine class intended to replace the Ohio class. The 2025 GAO acquisition assessment covers 12 procurement submarines, not completed deliveries.

VesselUndersea
NAVSEA concept rendering of the unbuilt Columbia-class ballistic missile submarine.

Photo: U.S. Navy / Naval Sea Systems Command · Public domain (PD-USGov-Military-Navy) · U.S. Navy concept rendering of an unbuilt class; not a photograph of a completed submarine.

Ballistic missile submarine class intended to replace the Ohio class. The 2025 GAO acquisition assessment covers 12 procurement submarines, not completed deliveries.

Timeline

No milestones recorded for Columbia-class submarine yet. The timeline fills in as unveilings, tests, contracts and deliveries are sourced.

Programs & awards1 programs

Programs1

Sources1

  1. 1.
    Government recordWeapon Systems Annual Assessment 2025 — SSBN 826 Columbia Class Ballistic Missile Submarine, p. 147

    U.S. Government Accountability Office · Jun 11, 2025 · Supports: System

    “The Navy’s Columbia class submarine (SSBN 826) will replace the Ohio class”

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