This opportunity requires a contractor to fabricate and install a new HF antenna mount foundation on the USCGC VIGOROUS, replacing a heavily corroded and structurally unsound existing mount. The work includes removing the old foundation, inspecting and repairing the deck, and performing all welding and coating in accordance with specified SFLC standards. Performance will take place onboard the CGC VIGOROUS in Portsmouth, VA, with a primary period from May 11 to May 22, 2026, and a secondary period from May 25 to June 5, 2026. The contract will be awarded as a firm-fixed price, best-value purchase order, and is a total small business set-aside under NAICS 336611. No specific budget amount is provided in the description.