The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the procurement of specialized tiles as part of the Special Hull Treatment (SHT) Program. The contract involves the manufacture and supply of Type AA-18 tiles, which are critical for the maintenance and operational effectiveness of naval vessels. These tiles must meet stringent quality and security requirements, including First Article Testing and Production Lot Testing, and the contractor must possess a valid U.S. Security Clearance of CONFIDENTIAL or higher. Interested vendors should contact Abigail R. Hurlbut at 717-605-6805 or via email at ABIGAIL.R.HURLBUT.CIV@US.NAVY.MIL for further details, with proposals expected to adhere to the outlined specifications and deadlines.