The Department of Defense, specifically the Naval Surface Warfare Center Carderock Division (NSWCCD), is soliciting proposals for the Propulsor Demonstration Hardware (PDH) Follow-On contract. This procurement aims to design and develop prototype propulsors, shafting, and bearing components, along with the necessary manufacturing plans and specifications to support the U.S. Navy's submarine programs. The contract will facilitate the engineering, fabrication, inspection, and assembly of both scaled and full-scale hardware, essential for research, development, testing, and evaluation of submarine propulsors. Interested parties should direct inquiries to Carlos Triay at carlos.triay@navy.mil or Charles Renno at charles.l.renno.civ@us.navy.mil, with amendments to the solicitation available for review via provided links.