The Department of Defense, through the Naval Sea Systems Command (NAVSEA HQ), intends to award a sole source contract to Electric Boat Corporation for engineering and design support related to the Planning Yard for reactor plants and propulsion plants of nuclear-powered submarines. This procurement is critical for maintaining the operational readiness and safety of the U.S. Navy's nuclear fleet, ensuring that the necessary support and expertise are available for these complex systems. Interested parties may express their interest and capability to respond to this requirement within fifteen days of the publication of this presolicitation notice, although no proposals will be accepted at this time. For further inquiries, interested parties can contact Lisa Wagaman at lisa.c.wagaman.civ@us.navy.mil or Ryan Daniels at ryan.j.daniels@navy.mil.