The Lockheed CL-1201 was an ambitious concept for the largest aircraft ever designed, featuring a 1,000-foot wingspan, a nuclear reactor, and the capacity to deploy 24 fighter jets.

That’s where Lockheed Martin’s concept for the CL-1201 entered the fray. With a wingspan of 1,120 feet, the Lockheed CL-1201 would have been the largest aircraft ever designed. Oh, and it ...