This contract is for the inspection and potential repair of seven Frequency Generator units. The work involves either Test, Teardown, and Evaluation (TT&E) on a Firm-Fixed-Price basis or a subsequent Major Repair effort on a Not-To-Exceed basis. The opportunity is restricted to prequalified sources, and unqualified vendors must submit a Source Approval Request package to be considered. The performance location is not specified in the provided description. No budget information is provided.