This Sources Sought Notice is for market research to identify sources for bulk and retail fuel services at Government-Owned Contractor-Operated (GOCO) facilities in Japan and Korea. Services include receipt, storage, handling, issue of aviation turbine fuel and ground fuels, along with operation, maintenance, security, and environmental protection. The government anticipates awarding three firm fixed-price contracts for Kadena AB (Japan), Misawa AB (Japan), and Osan AB (Korea). The base period of performance is four years from September 1, 2027, through August 31, 2031, with an additional five-year option and an option to extend up to six months. Interested firms must demonstrate capability, past performance, teaming arrangements, and financial stability; this notice does not constitute a solicitation or commitment to award.