The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking contractors for the repair and modification of electronic countermeasure receivers. This procurement focuses on services related to the maintenance and enhancement of equipment classified under the PSC code 5865, which is vital for countering electronic threats. The successful contractor will play a crucial role in ensuring the operational readiness and effectiveness of these systems. Interested parties can reach out to Stacey Ryan at (215) 697-1255 or via email at STACEY.A.RYAN4.CIV@US.NAVY.MIL for further details regarding this presolicitation opportunity.