CLB-31

Combat Logistics Battalion 31 (CLB-31) is a logistics unit of the United States Marine Corps and serves as the logistics combat element for the 31st Marine Expeditionary Unit (MEU), based in Okinawa, Japan. Established to provide comprehensive logistical support—including supply, maintenance, transportation, and health services—CLB-31 enables the 31st MEU to conduct amphibious and expeditionary operations throughout the Indo-Pacific region. The battalion has supported numerous humanitarian assistance and disaster relief missions, such as responses to typhoons and earthquakes in the Asia-Pacific. Renowned for its flexibility and rapid response capabilities, CLB-31 remains a vital component in maintaining regional stability and supporting U.S. interests abroad.