Fast Auroral Snapshot Explorer
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The Fast Auroral Snapshot Explorer (FAST) launched from Vandenberg Air Force Base on board a Pegasus XL rocket on August 21, 1996. One in the series of NASA's Small Explorer (SMEX) spacecraft, FAST was designed to observe and measure the plasma physics of the auroral phenomena which occur around both poles of the earth.
[edit] Sources
http://sunland.gsfc.nasa.gov/smex/fast/mission/ NSSDC 1996-049A http://www.daviddarling.info/encyclopedia/F/FAST.html