The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking contractors for the repair and modification of cylinder assemblies. This procurement focuses on components related to aircraft hydraulic, vacuum, and de-icing systems, which are critical for maintaining operational readiness and safety in naval aviation. Interested parties can reach out to Alexis K. Healy at (215) 697-1143 or via email at ALEXIS.HEALY@NAVY.MIL for further details regarding the presolicitation notice. Specific funding amounts and deadlines have not been disclosed in the overview.