The Subic Bay Metropolitan Authority (SBMA) Board of Directors and agency officials welcome US Secretary of Defense Lloyd Austin III and US Ambassador MaryKay Carlson, during their brief visit to Subic Bay Freeport on Wednesday as part of their official itinerary. The United States government plans to invest in high-quality, high-impact infrastructure via the Luzon Economic Corridor that includes key economic hubs such as Subic Bay, Clark, Manila, and Batangas.