The Department of Defense, through the Naval Air Systems Command (NAVAIR), intends to award a Sole Source Task Order to L3 Harris Technologies Integrated Systems for reach back services supporting the E-6B Mercury Auxiliary Power Unit (APU) upgrade effort for Fiscal Years 2025 through 2027. The procurement will encompass engineering, logistical, and technical support aimed at correcting deficiencies in APU kits, updating drawings and work orders, and implementing necessary supplier changes. This initiative is critical for maintaining the operational readiness and effectiveness of the E-6B aircraft, which plays a vital role in national defense. Interested parties may submit capability statements within 30 days of this notice, and should direct inquiries to Randolph Putnam or Lisa Troccoli via the provided email addresses.