This is a Sources Sought Notice for market research purposes only, not a solicitation for proposals. The Navy is seeking small businesses capable of performing a cost-plus-award-fee, indefinite delivery indefinite quantity contract for Munitions Response Actions, primarily at former Navy facilities in Vieques, Puerto Rico, with potential work worldwide. The anticipated total contract value is $95 million over a five-year performance period (one base year plus four one-year options), with individual projects typically valued at $10 million or more. Interested firms must have a DCAA-approved accounting system for cost-type contracts and should submit a completed Capabilities Questionnaire by August 14, 2026. Responses will inform the acquisition strategy, and no contract will be awarded from this notice.