The Department of Defense, specifically the Marine Corps Systems Command (MARCORSYSCOM), is seeking qualified contractors to provide software development and sustainment support for the Theater Battle Management Core Systems (TBMCS) 2.0. The objective of this procurement is to enhance the TBMCS, which serves as a critical tool for air war planning, by developing, analyzing, integrating, and managing software applications that comply with modern software practices and cybersecurity standards. This initiative is vital for improving joint air warfare command and control capabilities, ensuring effective program management, and maintaining compliance with governmental directives. Interested parties must submit their capability statements and estimated pricing by March 17, 2025, to the designated contacts, Bryan D. Keys and Alicia Sims, at bryan.keys@usmc.mil and alicia.sims@usmc.mil, respectively.