The Department of Defense, through the NAVSUP Weapon Systems Support office, is seeking qualified contractors to repair and modify the Helmet Tracker Kit, specifically NSN 7R-1680-016450008-BL, with a quantity of 25 units required for the MH-60S Helicopter. The procurement involves providing labor, materials, and facilities necessary for the repair, with the intention to negotiate exclusively with Elbit America Inc. under FAR 6.302-1 due to the government's inability to provide the necessary data for repairs. Interested parties must submit capability statements within 15 days of this presolicitation notice, and source approval is required for participation; further details can be obtained by contacting Vlad Maksimchuk at vladimir.maksimchuk.civ@us.navy.mil.