The Department of Defense, specifically the Naval Air Systems Command, is planning to negotiate a sole-source delivery order for the upgrade of the Radar Pressurization Cooling System (RPCS) Controller hardware and firmware with Northrop Grumman Systems Corporation. The objective of this procurement is to modify and test the existing RPCS, which is crucial for providing dry, conditioned air to pressurize and cool high-power radio frequency transmission lines and the Rotary Coupler Assembly. This system is vital for maintaining operational readiness and performance of naval aircraft. Interested parties should note that this acquisition is being pursued under the authority of Title 10, U.S. Code 2304(c)(1), and no competitive solicitation will be issued. For further inquiries, potential subcontractors may contact Vicky Harper-Hall at the provided address in El Segundo, CA.