The NPOESS Preparatory Project (NPP) spacecraft lifted off aboard a United Launch Alliance Delta II rocket from Space Launch Complex 2 at Vandenberg Air Force Base in California on Oct. 28, 2011 at 5:48 a.m. EDT.
The NPP spacecraft will build on more than four decades Earth observation to help us better understand our climate.
Note: Times provided in blog posts are given in Eastern time; timestamps are provided in your local time.
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