Image credit: NASA/Bill Ingalls

Uploader comment: The Delta II rocket with it's NPOESS Preparatory Project (NPP) spacecraft payload is seen as the service structure is rolled back on Thursday, Oct. 27, 2011, at Vandenberg Air Force Base, Calif. NPP is the first NASA satellite mission to address the challenge of acquiring a wide range of land, ocean, and atmospheric measurements for Earth system science while simultaneously preparing to address operational requirements for weather forecasting. NPP is scheduled to launch early Friday morning.

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