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FAS Project on Intelligence Reform

Advanced Synthetic Aperture Radar System [ASARS-1]

The Advanced Synthetic Aperture Radar System [ASARS-1] is a real-time, high-resolution reconnaissance system carried on the SR-71 with all-weather, day-night, long-range mapping capabilities. ASARS-1 detects and accurately locates stationary and moving ground targets. The system can survey more than 100,000 square miles of the Earth's surface in one hour.

Sources and Methods

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Created by John Pike
Maintained by Steven Aftergood

Updated Saturday, June 21, 1997 11:14:49 AM