D
Nuclear ForcesUnited States

W87-1

Nuclear warheadIn developmentPending verification
Nuclear ForcesUSA
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Fact cardConfidence · Source
System
TypeNuclear warhead
ProliferationOrigin country only
Program statusDeployment expected early 2030s; first W87-1 pit produced at Los Alamos in October 2024; cost up to $14.8 billion excluding pitsMed[1]
Delivery
Delivery systemsLGM-35A Sentinel ICBM (Mk21A reentry vehicle)Med[1]
Summary

New ICBM warhead for the LGM-35A Sentinel on the Mk21A reentry vehicle.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
United States
Sources
  1. United States nuclear weapons, 2026, Federation of American Scientists Nuclear Notebook, Bulletin of the Atomic Scientists
    Published/updated 2026-03-01 · Tier 2 · checked 2026-11-08
Change log
  • 2026-11-08 Entry created from United States nuclear weapons, 2026 (FAS Nuclear Notebook)