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. Mission Operations Readiness Review For NPOESS Prep Project Completed

Artist's Rendering of NPP Satellite. Credit:NOAA.
by Staff Writers
Suitland MD (SPX) Dec 19, 2008
A comprehensive Mission Operations Readiness (MOR) review of the National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) was successfully completed last month. The largest review of the overall NPOESS configuration to date, the MOR focused specifically on the NPP's operational readiness and progress to launch.

Government customers representing NASA, the National Oceanic and Atmospheric Administration (NOAA), the U.S. Department of Defense (DOD) along with representatives of Northrop Grumman Corporation, Raytheon Co., and Ball Aerospace attended the three-day review at NOAA's Satellite Operations Facility in Suitland, Md.

They assessed the program's flight concept of operations, project management, operations and sustainment plans, safety and mission assurance, system design, technical management, training and product validation and other aspects of the program.

NPP is a risk reduction mission for NPOESS, and will be the first major element of the next generation U.S. Earth observation system when it is launched in 2010. NPP is a joint mission between NASA and the NPOESS Integrated Program Office (IPO).

NPOESS is the U.S. Government's future low-earth orbiting weather and environmental satellite system, which will combine missions currently performed separately by three agencies (NASA, DOD and NOAA). NPP science instruments will provide essential data to bridge climate measurements coming from NASA's Earth Observation System research satellites and the launch of the operational NPOESS system is planned for 2013.

"This review of was the most far-reaching and detailed review of operations that we've had," said Dave Vandervoet, Vice President for Civil Systems Division for Northrop Grumman's Space Technology sector, Redondo Beach, Calif.

"Strengths and weaknesses were identified, but most importantly, the MOR determined that NPP's overall operations readiness is sound and that this satellite will perform its required mission."

Ken Schwer, NASA NPP Program Manager at NASA Goddard Space Flight Center, Greenbelt, Md. said, "The NPP Mission Operations team successfully completed and passed the NPP Mission Operations Review. The review covered 3 days with over 1000 pages of material presented to a very experienced review panel consisting of 15 members from all 3 agencies with co-chairs from NASA and the IPO (Air Force). Since the NPP MOR was the first NPOESS review with all organizations, agencies, and contractors involved, it can easily be considered the biggest review in the history of NPOESS."

The review team stated that the ground system was mature with very good technical management and communications throughout the NPP/NPOESS organizations.

"Great teamwork was displayed by the Mission Operations folks over the last couple months and the successful NPP MOR is truly an outstanding accomplishment for NPP/NPOESS," Schwer said.

Northrop Grumman Corporation is the prime contractor for NPOESS, responsible for overall system design and development, system engineering and integration, instrument acquisition and spacecraft assembly, test, and enterprise operations and sustainment.

Raytheon Coprovides the ground systems --command, control and communications, and mission data processing--and system engineering support. Ball Aerospace is the prime contractor for the NPP spacecraft.

NPP has been undergoing compatibility tests with sensor engineering development units or actual flight units and with the ground system. Three sensors have been delivered for integration onto NPP, and additional testing is being performed to reduce risk until the remaining two sensors are delivered.

The mission is jointly managed at NASA Goddard and the NPOESS IPO in Silver Spring, Md. Goddard manages development of the spacecraft, the ATMS and CERES FM5 instruments, launch vehicle and the science data segment portion of the ground system.

Goddard is also responsible for managing overall mission systems engineering, integration and testing of NPP, the launch and on-orbit checkout of the NPP mission. IPO is responsible for the management of the development of the OMPS, CrIS and VIIRS instruments, the ground system and mission operations. NOAA / NESDIS is responsible for the archive and distribution segment of the ground system.

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Jason-2 Satellite Data Now Available To Scientists
Washington DC (SPX) Dec 18, 2008
NOAA announced that scientists around the world now have access to valuable data from a new international satellite, the Jason-2/Ocean Surface Topography Mission. This information allows them to closely watch the rate of global sea-level rise and monitor changing ocean features around tropical cyclones.

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