World War III, World War 3, WWIII, WW3, or the Third World War are the names given to a hypothetical global conflict subsequent to World War I and World War II. The term has been in use since as early as 1941. Some apply it loosely to limited or more minor conflicts such as the Cold War or the war on terror. In contrast, others assume that such a conflict would surpass prior world wars in both scope and destructive impact.
Nuclear warfare is a common symbol and theme of World War III scenarios. Such a conflict has been hypothesized to come close to or lead to human extinction.
If activated, Operation Reforger would have largely consisted of convoys like this one from Operation Earnest Will in 1987, although much larger. While troops could easily fly across the Atlantic, the heavy equipment and armor reinforcements would have to come by sea.
A Warsaw Pact invasion would have come via three main paths through West Germany.
Former US president Ronald Reagan and Soviet double agent Oleg Gordievsky, who later told the West how close the Able Archer 83 exercise had brought the Soviets to ordering a First Strike
A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, even endangering or destroying modern civilization. An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known as an "existential risk."
Artist's impression of a major asteroid impact. An asteroid caused the extinction of the non-avian dinosaurs.