The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking contractors for the procurement of fuel cells under the presolicitation titled "16--FUEL CELL, AFT SPONS." This opportunity involves the acquisition of miscellaneous aircraft accessories and components, categorized under the PSC code 1680, which are critical for the operational efficiency of naval aircraft. Interested parties can reach out to Shamus F. Roache at (215) 697-5047 or via email at SHAMUS.F.ROACHE.CIV@US.NAVY.MIL for further details regarding the procurement process. The timeline for this opportunity and additional funding specifics have not been disclosed in the provided information.