The Department of Defense, through the Naval Facilities Engineering Command Far East (NAVFAC FE), is seeking qualified contractors for a Firm Fixed Price (FFP) contract to provide preventive maintenance and services for Port Security Barrier Systems at Truman Bay, Commander Fleet Activities Yokosuka, Japan. The procurement includes both recurring and non-recurring work, requiring contractors to maintain, repair, and alter the Port Security Barrier System to ensure safety and functionality, as well as develop a preventive maintenance program to enhance reliability and minimize breakdowns. Interested firms must submit the Contractor Information Form by 10:30 a.m. JST on January 22, 2026, to Yuko Yoshino at yuko.yoshino.ln@us.navy.mil, and must be authorized to conduct business in Japan, as the contract will be performed entirely within the country. All proprietary information will be protected, and no reimbursement will be provided for costs incurred in response to this sources sought notice.