This is a sole-source repair requirement for five units of NIIN 015830123 (Part Number 2028844-032, RMM) under Foreign Military Sales to Switzerland. The government lacks the technical data to perform or manufacture the items, and intends to award to DRS Training and Control Systems, LLC, though all responsible sources may submit capability statements or proposals. Interested firms must provide specific company and technical information, and any alternate source must qualify with the design control activity and obtain Government source approval prior to contract award. Source approval requires submission of the NAVSUP WSS Source Approval Information Brochure data, and offers that fail to provide this documentation will not be considered. No budget or performance location is specified.