The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking contractors for the repair and modification of radio modulators, specifically under the procurement classification of electronic countermeasures and related equipment. This opportunity involves the maintenance and enhancement of critical communication systems, which play a vital role in military operations and electronic warfare capabilities. Interested parties should reach out to Stacey Ryan at (215) 697-1255 or via email at STACEY.A.RYAN4.CIV@US.NAVY.MIL for further details, as this presolicitation notice indicates an upcoming procurement process that may have significant implications for defense readiness.