Combat Logistics Battalion 31 (CLB 31) is the logistics combat element of the 31st Marine Expeditionary Unit, the only continuously forward-deployed MEU in the Marine Corps. As the logistics combat element, the CLB provides all elements of the MEU with combat service support. To do this, the CLB comprises of a Headquarters, a Motor Transport Platoon, Engineer Platoon, Maintenance Platoon, Supply Platoon, Military Police Platoon, Landing Support Platoon, Communications Platoon and its Health Service Support (Medical, Dental and Shock Trauma Platoon). Additionally, the CLB provides the MEU with ammunition, postal, EOD and disbursing services. Although CLB 31 is assigned to the 3rd Marine Logistics Group, the battalion remains permanently attached to the 31st MEU. CLB 31 based on Camp Hansen in Okinawa, Japan.