The Department of Defense, specifically the Air Force Research Laboratory at Wright-Patterson Air Force Base, is seeking maintenance support for the Combat Electromagnetic Environment Simulator (CEESIM) systems and the Radio Frequency Generator (RFGEN) as part of a Sources Sought notice. The procurement aims to ensure timely preventive and corrective maintenance, system upgrades, and training for these critical systems, which are essential for simulating electronic warfare environments to evaluate Department of Defense equipment. Interested small businesses are encouraged to submit their capabilities and interest by January 17, 2025, at 4:00 PM Eastern Time, with responses directed to Joe McCartan at joseph.mccartan@us.af.mil. For further inquiries, primary contact Jay Dee Solether can be reached at jay.solether@us.af.mil.