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LGM-35 Sentinel
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The LGM-35 Sentinel, also known as the Ground Based Strategic Deterrent, is a future American land-based intercontinental ballistic missile system currently in the early stages of development. Wikipedia
Engine: Three-stage solid-fuel rocket
Guidance system: astro-inertial + GPS
In service: 2030 (proposed)
Launch platform: Missile silo
Manufacturer: Northrop Grumman
Warhead: W87 mod 0 thermonuclear warhead (300 kilotons of TNT (1,300 TJ)); W87 mod 1 thermonuclear warhead (unknown yield)