This is a sources sought notice for planning purposes to identify qualified sources capable of providing and delivering Marine Main Boiler Tube Repairs for various naval vessels. The performance location is the Mid-Atlantic Regional Maintenance Center (MARMC) in Norfolk, Virginia. The anticipated contract will be Firm Fixed Price (FFP). Interested and capable parties must submit a written expression of interest by a specified deadline. This is not a solicitation or request for quotation, and no costs for response preparation will be reimbursed.