A missile launch method where the missile is ejected from its launch tube by gas pressure before the rocket motor ignites, typically used in submarine-launched ballistic missiles.

Guidance system combining inertial navigation (self-contained motion tracking) with GPS (satellite-based positioning) for precise trajectory correction in ballistic missiles.

MIRV (Multiple Independently targetable Reentry Vehicle) is a ballistic missile payload that carries several warheads, each capable of being aimed at separate targets after reentry.

Relating to or using nuclear energy, typically fission, for propulsion or power generation in military vessels.

Silo-based: a launch configuration in which an intercontinental ballistic missile is stored and launched from a hardened underground silo.

Relating to nuclear weapons that derive destructive power from both fission and fusion reactions, typically used in intercontinental ballistic missiles.