During a test run of the first Titan silo, overlooking the Pacific at Vandenberg, a control valve in the elevator’s hydraulic system broke. The elevator, the Titan, and about 170,000 pounds of liquid oxygen and fuel fell all the way to the bottom of the silo. Nobody was hurt by the explosion, though debris from it landed more than a mile away. The silo was destroyed and never rebuilt. While Atlas and Titan missiles
