The S.H.A.D.O. MoonBase Interceptors are single-piloted nuclear-missile-armed spacecraft that are part of S.H.A.D.O.'s first line of defence against invading UFOs. They cannot operate within Earth's atmosphere.
- Top speed: Initially SOL 0.78 (78% of the speed of light).
- This was later increased to speeds in excess of SOL 1.127 (1.127 times the speed of light), before 1983, when a B142 deep space probe followed a UFO back to its homeworld.