NOAA intends to award a sole source purchase order to Proton Energy Systems (Nel Hydrogen) in Wallingford, CT for specific HOGEN parts to be delivered to the Sterling Field Support Center in Sterling, VA. The parts are needed to build a troubleshooting test stand for the Upper Air Help Desk, enabling real-time simulation of field issues to reduce system downtime. Nel Hydrogen is the only manufacturer of these proprietary components, which cannot be sourced elsewhere. Interested firms may submit substantiating documentation to the Contract Specialist within 15 days of this notice to be considered for a competitive procurement. No budget amount or submission deadline is specified.