The Marine Design Center (MDC), the Army Corps of Engineers’ national center for naval architecture and marine engineering, seeks architect-engineer assistance with vessel design and analysis services for inland and coastal vessels. One IDIQ contract will be awarded through negotiated selection based on demonstrated competence and qualifications, and it is set aside for small businesses only. The contract has a total capacity of $20,000,000, with an estimated average task order value of about $500,000 and an estimated maximum task order value of $2,000,000; the guaranteed minimum is $10,000. The ordering period is five years, estimated to start in Quarter 2 of FY27 and end in Quarter 3 of FY32. The applicable NAICS code is 541330 with a $47,000,000 small business size standard, and the expected PSC is C216.