Follow the tender notice in SAP Ariba: http://discovery.ariba.com/rfx/15709944 *** AMENDMENT TO CLOSING TIME: Please disregard the Ariba Discovery posting response deadline closing time and Buyandsell posting closing time. All required supporting documentation and bid submission must be submitted by May 23, 2023, at 14:00 EDT. All bids submitted after 14:00 EDT will result in the bid being declared non-responsive. *** Title: Canadian Active Neutron Spectrometers (CANS) Phase A *** Public Works and Government Services Canada (PWGSC), on behalf of the Canadian Space Agency (CSA) has a requirement for flight-quality Canadian Active Neutron Spectrometers (CANS) for radiation monitoring applications in the International Space Station (ISS) and the Lunar Gateway. *** The project consists of an initial Phase A in which the Contractor will establish a mature set of instrument requirements and develop a baseline instrument design. *** The Annex A – Statement of Work specifies, in detail, the full scope of work that the Contractor must provide and deliver in Phase A. *** The period of the contract(s) for Phase A will be 7 months.