NASA/Goddard Space Flight Center, Code 210, Greenbelt, MD 20771

A -- HTXS HARD X-RAY TELESCOPE TECHNOLOGY DEVELOPMENT SOL RFP5-02173-235 POC Janet Langweil, Contract Specialist, Phone (301)286-4212, Fax (301)286-1720, Email Janet.S.Langweil.1@gsfc.nasa.gov -- Bradley Poston, Contracting Officer, Phone (301)286-8688, Fax (301)286-1720, Email Bradley.J.Poston.1@gsfc.nasa.gov WEB: Click here for the latest information about this notice, http://procurement.nasa.gov/EPS/GSFC/date.html#RFP5-02173-235. E-MAIL: Janet Langweil, Janet.S.Langweil.1@gsfc.nasa.gov. THIS IS A NOTICE OF CANCELLATION OF RFP5-02173-235 FOR HTXS HARD X-RAY TELESCOPE TECHNOLOGY DEVELOPMENT. THIS EFFORT WILL BE ISSUED UNDER A NASA RESEARCH ANNOUNCEMENT (NRA) AND WILL BE SYNOPSIZED PRIOR TO ISSUANCE ON THE WORLD WIDE WEB. GENERAL INFORMATION ON THE CONSTELLATION X-RAY MISSION (PREVIOUSLY KNOWN AS HTXS) CAN BE FOUND AT THE FOLLOWING URL: http://constellation.gsfc.nasa.gov. (0339)

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