Presolicitation DEPT OF DEFENSE DEPT OF THE NAVY is seeking a contractor to repair and modify a control unit for guns, through 30mm. The government does not own the data or rights to the data needed for this repair, making it uneconomical to buy or reverse engineer the part. Interested parties can obtain relevant documents from the DoD Single Stock Point in Philadelphia, PA. The award will be made only if the offeror, product/service, or manufacturer meets the qualification requirements. The government is not using the policies contained in FAR Part 12 for this solicitation. Interested persons with capability to satisfy the requirement with a commercial item should notify the contracting officer within 15 days.