D
Nuclear ForcesUnited States

U.S. SSBN force

Nuclear force componentActivePending verification

Also known as: Ohio-class SSBN force, Trident force, SLBM leg

Nuclear ForcesUSA
U.S. SSBN force
Photo: Petty Officer 1st Class Ashley Berumen, U.S. Navy / DVIDS · Public domain, DVIDS
Fact cardConfidence · Source
System
TypeNuclear force component
Alternative designationsOhio-class SSBN force, Trident force, SLBM leg
ProliferationOrigin country only
Platforms14 Ohio-class SSBNs: 8 at Bangor (Pacific), 6 at Kings Bay (Atlantic); 8–10 operational at a timeMed[1]
Program statusColumbia class: 12 boats planned with 16 tubes each; W93 warhead first production 2034–2036; D5LE2 to serve to 2084Med[1]
Warhead inventory
Warheads deployed950–970 warheadsTable total about 970; text gives about 950 on operational SSBNsMed[1]
Warheads assigned1,920 warheadsUp to 1,920 warheads assignedMed[1]
Delivery
Launchers280Up to 20 missiles per boat; U.S. says no more than 240; 220 counted deployed under New START (2023)Med[1]
Delivery systemsUGM-133A Trident II D5/D5LEMed[1]
Warhead typesW76-1 (90 kt), W76-2 (8 kt), W88 (455 kt)Med[1]
Summary

Sea leg of the U.S. triad: 14 Ohio-class submarines carrying Trident II D5 missiles, with 8 to 10 operational at any time.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
CompareJSON
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)