The "Nan Ships" were some of the last production military airships use to fill radar coverage gaps in the US early warning system of the Cold War. Sort of AtomPunk.
General characteristics
Crew: 21
Length: 343 ft 0 in (104.57 m)
Diameter: 76 ft 0 in (23.17 m)
Height: 107 ft 0 in (32.62 m)
Volume: 1,011,000 ft3 (23,648 m3)
Powerplant: 2 × Wright R-1300-4,-4A radials,, 800 hp (600 kW) each