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 critical for countermeasure operations. The successful contractor will play a vital role in ensuring the operational readiness and effectiveness of electronic warfare systems. Interested parties should reach out to Shamus F. Roache at (215) 697-5047 or via email at SHAMUS.ROACHE@NAVY.MIL for further details regarding the presolicitation notice.