The bus-sized, $785 million satellite, built for NASA by Northrop Grumman Corp., was successfully launched into a polar orbit by a Delta II rocket from Vandenberg Air Force Base on Jul. 15, 2004. Four more US and French satellites should be launched over the next several years and take their places between the Aqua and Aura, forming a flotilla of environmental monitors that NASA has dubbed the A-Train. Aqua is expected to operate for at least five years. It was formerly known as EOS Chemistry 1.
Related category• SATELLITES AND SPACE PROBES
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