From Triad to Tetrad: Recent Developments in Russia’s Strategic Nuclear Forces

By: Wannes Verstraete

Traditionally, major nuclear powers have developed and deployed strategic nuclear forces across three legs. This configuration, known as a nuclear triad, includes land-, sea-, and air-based strategic nuclear forces designed to ensure a survivable deterrent by complicating an adversary’s ability to eliminate a country’s nuclear retaliatory capability in a single attack.