The Department of Defense, specifically the Naval Surface Warfare Center, is soliciting proposals for Modeling, Simulation, Engineering, Analysis, and Tactics (MSEAT) under the Seaport NxG Multiple Award Contract (MAC). This opportunity is exclusively available to holders of the Seaport MAC and aims to enhance capabilities in engineering services, particularly in the areas of modeling and simulation. The selected contractor will be responsible for providing professional engineering and technical support services critical to the Navy's operational effectiveness. Interested parties must submit their proposals via the PIEE Solicitation Module, and for further inquiries, they can contact Timothy George at timothy.s.george2.civ@us.navy.mil or by phone at 850-771-8593.