DEFENSE: Keeping the Military in Business

Jet trainers are flying 18% fewer hours, and warships are spending 20% fewer days at sea. One of every ten vehicles in the Air Force fleet of cars and trucks in Europe has been put on blocks. Secretary of Defense James R. Schlesinger has taken to prowling his Pentagon chilly corridors (thermostat setting: 65°-68°) in a woolen pullover.

These examples point up one of the most important, though least noticed, aspects of the energy crisis. The U.S. military machine runs on oil—high-energy JP4 for jet fighters, hydrocarbon-based propellants for rockets, bunker oil for...

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