Thor IRBM Specifications
Length: 65 feet 
Diameter: 8 feet 
Weight: 110,000 pounds (fueled) 
Fuel: Rocket grade RP-1 (kerosene) 
Oxidizer: Liquid oxygen 
Propulsion: A single combustion chamber from a MB-1 or MB-3 engine generating 
150,000 pounds of thrust. 
Two vernier engines, each generating 1,000 pounds of thrust. 
Range: 1,500 miles 
Guidance: All-inertial 
Accuracy: 2 miles 
Reentry vehicle: Mark 2 
Warhead: W-49, 1.44 megaton yield 
Contractors
Airframe: Douglas Aircraft, Santa Monica, California
Propulsion: Rocketdyne Division of North American Aviation, Canoga Park, California Guidance: AC Spark Plug Division, General Motors, Detroit, Michigan
Reentry vehicle: General Electric, Saratoga, New York