The U.S. Army Corps of Engineers, Detroit District, is seeking market research to identify businesses capable of providing marine fleet maintenance services for three vessels at the Soo Project Office in Sault Ste. Marie, Michigan. Work includes disassembling hulls, refitting with new components, and performing maintenance on engines and gensets, as well as supplying an industrial-grade composite additive manufacturing system. The anticipated period of performance is one year from the date of award. This is a sources sought notice for planning purposes only, not a solicitation, and no award will result from this notice. Responses are due by 2:00 PM Eastern Time on July 20, 2026.