Goddard Space Flight Center Explorers Project Procurement Office, Code 284.5

A -- PHASE C/D-DESIGN AND DEVELOPMENT OF THE FAR ULTRAVIOLET SP ECTROSCOPIC EXPLORER (FUSE) MISSION SOL RFP5-03697/503 SOL RFP5-03697/503 POC Lynn B. Clark, Contract Specialist, (301)286-2881, Thomas S. Russell, Contracting Officer, (301)286-2885. This is a notice of intent to issue Request for Proposal (RFP)5-03697/503 on or about April 24, 1995, on a sole source basis to the Johns Hopkins University (JHU) for the Phase C/D Design and Development of the Far Ultraviolet Spectroscopic Explorer (FUSE) Mission, including the instrument, spacecraft, ground system, science operations, mission operations and data analysis. These efforts are to be led by Dr. H. Warren Moos of JHU, Principal Investigator (PI) for the FUSE Mission. JHU has completed the Phase A Feasibility and is currently performing the Phase B Instrument Definition Study, with Dr. Moos as the PI. JHU was selected for Phase A based on its proposal submitted in response to a competitive NASA Headquarters' (HQ) Space Science and Applications Notice, dated March 14, 1986. The selection of the FUSE concept by NASA HQ was based on the original research and unique instrumentation approach proposed by the PI and his FUSE Science Team, which includes representatives from the major institutions in the worldwide astronomical research community. The Phase C/D Instrument portion of this requirements was previously synopsized on August 25, 1994 (RFP5-59671/503). At that time, the spacecraft was to be built in-house at the GSFC and launched on a Delta-class expendable vehicle. Since that time, NASA HQ has directed that the FUSE Mission be redefined and restructured to use a smaller spacecraft to be launched on a medium-light expendable vehicle and that the entire effort be contracted out-of-house. Accordingly, the FUSE Phase C/D requirement now includes the spacecraft, ground system, science operations, mission operations and data analysis, as well as the instrument. As part of the Phase B effort, JHU has developed and delivered a plan to implement this approach, which has been accepted by NASA HQ. Based on its intimate knowledge of the program and its experience gained in phases A and B, the FUSE team led by JHU is uniquely qualififed to develop the FUSE Mission and perform this research and is considered essential to the proposed Phase C/D development effort. During the development phase, JHU will be responsible for the design, development and delivery of all Mission elements necessary to achieve broad scientific goals in high resolution spectroscopic research in the Far Ultraviolet (FUV) spectral region (905-1190 Angstroms). Development of the Mission will be a team effort with various major components, subsystems, facilities, and technical support being provided by JHU's subcontractors, the University of Colorado (CU) and University of California, Berkeley (UCB), and a spacecraft contractor, and by their international partners, the Canadian Space Agency (CSA) and the French Space Agency (Centre National d'Etudes Spatiales (CNES)). This effort will be accomplished during a 3-year contractual period beginning November 1995. Pursuant to 10 U.S.C. 2304(c)(1), the Johns Hopkins University is the only responsible source capable of performing this effort. Any other persons desiring consideration are required to fully identify their interest and capabilities in writing within fifteen (15) days of the publication of this synopsis to the GSFC Contracting Officer listed above. No telephone requests. See Numbered Note(s): 22. (0094)

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