During the Cold War, engineers seriously studied an aircraft so massive it could stay airborne for weeks using nuclear power. The Lockheed CL-1201 was designed as a flying military base, carrying fighters, missiles, and a nuclear reactor. This documentary explores how far Cold War ambition was willing to go. From its unprecedented size to the risks that ultimately stopped it, the CL-1201 reveals the limits of aerospace engineering and strategic doctrine. Discover why this nuclear-powered aircraft was never built, yet still influences how we think about extreme aviation concepts today. #LockheedCL1201 #NuclearAircraft #ColdWarAviation #SecretAircraft #ExperimentalAircraft #AviationHistory #MilitaryAviation #AerospaceEngineering #UnbuiltAircraft #ColdWarTechnology