The National Aeronautics and Space Administration's Goddard Space Flight Center is pleased to release the Request for Proposal (RFP) for the X-ray Irradiance Sensor (XRIS) acquisition. This RFP replaces the Draft RFP (Notice ID: XRIS-DRFP-80GSFC26R7004) issued on February 4, 2026 in its entirety. All attachments to this posting together constitute the complete RFP, including all instructions, restrictions, provisions, and contract clauses. Update 1: Posted Question and Answer document.
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION is actively seeking qualified contractors for guided missile and space vehicle manufacturing with a set-aside for No Set Aside businesses in GREENBELT, MD. This set-aside designation means eligible businesses face reduced competition from larger firms.
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