This is a market research notice from NOAA for services to integrate and support a 3G Environmental Sample Processor with a Surface Plasmon Resonance module into an uncrewed surface vehicle for monitoring harmful algal blooms and phycotoxins in the Great Lakes and Alaska. The anticipated contract is a firm-fixed price purchase order with a length of three years, consisting of one base year and two option years. The performance of services is specified for the Great Lakes and Alaska. Responses to this sources sought notice are due by March 25, 2026.