The Department of Defense, through the Naval Sea Systems Command (NAVSEA), is seeking sources for the maintenance, development, integration, and delivery of the AN/BYG-1 Payload Control System (PCS). This opportunity involves software development tasks, including the maintenance of existing systems, integration of new features, and migration to a Common Computing Environment (CCE), aimed at enhancing the warfighting capabilities of the United States Navy and allied forces. The AN/BYG-1 program is critical for submarine combat and weapons control, and interested parties are required to demonstrate their capabilities in software development and system integration, with responses due via email to the designated contacts by the specified deadline. For further inquiries, interested vendors can reach out to Laura Arscott at laura.e.arscott.civ@us.navy.mil or Michael Ravnitzky at michael.j.ravnitzky.civ@us.navy.mil.