From 1940 to 1996, the U.S. invested over $10.1 trillion in nuclear weapons development, producing more than 70,000 warheads. Since the Cold War ended, the U.S. nuclear arsenal has been reduced by 85%, but the threat remains. Russia, China, and North Korea are expanding their arsenals, while India and Pakistan also possess significant nuclear capabilities. The U.S. maintains a nuclear triad—land-based missiles, submarine-launched missiles, and strategic bombers—as a key element of its defense strategy to deter adversaries and ensure national security. 00:00 Nuclear weapons have shaped global military strategy since World War II.02:00 The Nuclear Triad ensures retaliatory strike capability with land, sea, and air-based systems.02:32 Land-based ICBMs provide rapid and accurate nuclear strike capabilities.08:34 Ballistic missile submarines offer a stealthy and survivable nuclear launch platform.10:33 Air-launched missiles from strategic bombers offer flexible and penetrating nuclear strike options.