The Department of Defense, through the NAVSUP Fleet Logistics Center Norfolk, intends to award a Sole Source Firm Fixed Price Contract to Custom Design and Fabrication, LTD. for the provision of Monkey Heater Parts, Components, and Training. This procurement is being conducted in accordance with FAR 6.302-1, which allows for sole source contracts when only one source is deemed capable of fulfilling the requirements. The goods and services sought are critical for maintaining operational readiness and functionality within the Navy's logistics framework. Interested parties wishing to challenge this sole source determination must submit their written challenges, including sufficient information to demonstrate the existence of an equivalent service, to kelly.polson@navy.mil for consideration by the Government.