The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking contractors for the repair and modification of Time Distribution Systems. The procurement involves a quantity of 43 units of National Stock Number (NSN) 7R-6625-015855245-P8, with Technical Data Package (TDP) version 002, and delivery is required on a Free on Board (FOB) origin basis. These systems are critical for ensuring accurate time distribution in various military applications, underscoring their importance in operational readiness. Interested parties should reach out to Helen I. Carmelo at (215) 697-1138 or via email at HELEN.I.CARMELO.CIV@US.NAVY.MIL for further details regarding this presolicitation opportunity.