The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Huntsville, AL, is seeking to procure a power supply for the Radar Digital Processor, specifically identified by NSN: 6130-01-609-3435 and Part Number: 13656859. This acquisition involves a one-time buy of 14 units, which are critical components for the MD-6 Patriot Missile System, and is being conducted as a sole-source procurement from Mercury Systems, Inc. Interested vendors must have the necessary engineering source approval and certifications to access export-controlled data, with all inquiries directed to the designated contacts, Michael Romine and Thomas Gunter, via their provided email addresses. The response deadline for this presolicitation is set for 15 days from the notice date, and firms are encouraged to seek source approval for future opportunities.