Nuclear triad, a three-sided military-force structure consisting of land-launched nuclear missiles, nuclear-missile-armed submarines, and strategic aircraft with nuclear bombs and missiles.
Bomber aircraft: Aircraft carrying nuclear bombs, or nuclear-armed cruise missiles, for use against ground or sea targets
Land-based missiles (MRBMs or ICBMs): Delivery vehicles powered by a liquid or solid-fueled rocket that primarily travel in a ballistic (free-fall) trajectory.
Ballistic missile submarines (SSBNs): Nuclear missiles launched from ships or submarines. They are classified under an umbrella of vessels and submarines that are capable of launching a ballistic missile
