The NPOESS Preparatory Project (NPP) represents a critical first step in building the next-generation weather satellite system. Goddard Space Flight Center is leading NASA's effort to launch a satellite that will carry the first of the new sensors developed for this next-generation system, previously called the National Polar-orbiting Operational Environmental Satellite System (NPOESS) and now the Joint Polar Satellite System (JPSS).

To download the videos in high res version, please see: http://svs.gsfc.nasa.gov/goto?10742
For the NPPY: Big Planet, Little Bear series, please see: http://svs.gsfc.nasa.gov/goto?10789 less