America's most expensive technological project during the '70s, and NASA's reason for being, was the space shuttle. Congress, however, was reluctant to fund it. So the Air Force, wanting access to space, worked out a deal with NASA. The Air Force would intervene in Congress on NASA's behalf. In return the civilian space agency would increase the shuttle's payload to 65,000 pounds, provide a larger cargo bay to accommodate military payloads and design in a longer cross-range capability -- the ability to glide to a landing at points distant from the orbiter's ground track. The Air Force wanted enough added cross-range, 1500 miles, to make possible shuttle operations from Vandenberg Air Force Base in California. The requirement that all of this be done, at essentially no additional cost, resulted in the shuttle's present partially-recoverable configuration, with strap-on solid rocket boosters and a throw-away external fuel tank. The weakness of the shuttle's politically-driven design became obvious with the loss of the Challenger in January 1986.
By 1987, the Air Force role in space had become conspicuous. Its space budget had become larger than NASA's entire budget, even excluding the "Star Wars" research to develop a high-technology space-borne defense against missile attack. It was proposing to develop its own heavy-lift booster, independent of NASA, to serve its own needs. In addition, then Secretary of Defense Caspar Weinberger was attempting to usurp control of the U.S./International space station for military operations of an unspecified nature.
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