CBS’s 60 Minutes reporter inside an American nuclear control center,Although the Cold War ended more than two decades ago, the United States and the Russian Federation continue to maintain large numbers of nuclear forces on high levels of alert, ready to launch within minutes.
France and the United Kingdom also deploy nuclear forces, which can be
quickly launched, though at lower levels of readiness. Combined, these
four countries deploy approximately 1,940 warheads ready for use on
short notice.The United Nations Institute for Disarmament Research (UNIDIR)