This opportunity is for a firm-fixed price contract to renew the MK38 Gun foundation and associated brackets on the forward 01 deck of the USCGC VIGOROUS. The work includes removal, fabrication, installation, leveling, testing, and preservation of the foundation, with performance taking place onboard the vessel in Portsmouth, VA. The primary period of performance is from 18 May 2026 through 29 May 2026, with a secondary period from 25 May 2026 through 5 June 2026. This is a total small business set-aside under NAICS 336611, and award will be based on best value considering specification, price, past performance, and quality. No specific budget amount is provided in the description.