The U.S. Air Force launch of the first fully equipped Block 5D-3 spacecraft in the Defense Meteorological Satellite Program (DMSP) relieves a constellation of aging weather satellites that has been waiting for a replacement for 2.7 years. All the current DMSP satellites are beyond their design lifetimes, and the primary one could be lost with one more failure of its ailing gyros. An Air Force official said the new "Flight 16" (F16) satellite is working well, and is expected to be in ...


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