The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure repair services for night vision equipment, specifically the Viewer, Night Vision, under a presolicitation notice. The procurement involves a quantity of 375 units of the item identified by NSN 7R-5855-015901553-QE, which has been classified as a Critical Application Item (CAI), limiting the qualified sources to COLLINS ELBIT VISION SYSTEM, LLC, the sole approved repair source due to their possession of the necessary technical data and capabilities. Interested parties must note that the contract will be awarded based on the existing approved source, and any alternate sources must undergo a qualification process as per the design control activity's procedures prior to contract award. For further inquiries, interested vendors can contact Hayden Young at (215) 697-2928 or via email at HAYDEN.J.YOUNG3.CIV@US.NAVY.MIL, with proposals due within 45 days of the notice publication.