Apr 25 1988
From The Space Library
Two U.S. Navy navigation satellites were launched from Vandenberg At Force Base, California, into a 600-mile circular polar orbit aboard a NASA Scout rocket. The two Oscar satellites were part of the U.S. Navy's long-established, continuous all-weather global navigation system. Made available to non-Navy users in 1967, the spacecraft had since been adapted for diverse civilian uses such as commercial shipping, charting of off-shore oil and mineral deposits, and land survey projects. The system provided position information within one-tenth of a nautical mile anywhere in the world. This marked Scout's 100th flight and followed closely on the heels of the Scout San Marco D/L launch, which took place on March 25 from the San Marco Range platform in the Indian Ocean. (SSR 1988 033A-G; NASA Release 88-55)
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