LGM-30G Minuteman III ICBM

The Minuteman III is the United States' sole land-based ICBM, forming the ground leg of the nuclear triad. Each carries a single W87 or W78 warhead (formerly MIRV, de-MIRVed under START). Housed in hardened underground silos across Montana, North Dakota, and Wyoming. 400 remain on alert.

Deployed since 1970 and continuously upgraded. Modernization program (GBSD / Sentinel) will replace it by the mid-2030s. Despite age, the missile is considered highly reliable. The Minuteman force represents instant retaliatory capability against any adversary.