Combat Logistics Battalion 4

Combat Logistics Battalion 4 (CLB-4) is a logistics unit of the United States Marine Corps (USMC). The battalion falls under the command of Combat Logistics Regiment 3, which is a part of the 3rd Marine Logistics Group. They are based on Camp Schwab, Okinawa, Japan and their mission includes construction, demolition, supply, transportation, maintenance and fabrication.

Subordinate units

 * Headquarters and Service Company
 * Motor Transportation Company

Mission
Provide direct support (DS) tactical logistics to a 4th Marine Regiment beyond its organic capabilities in the areas of transportation, intermediate level supply, field level maintenance, and general engineering.

History
CLB-4 / CLR-3 was originally 3rd Transportation Support Battalion until changing in 2007. CLB-4 was the first full battalion to deploy from Okinawa, Japan since the Vietnam War. The battalion deployed to Al Anbar Province, Iraq in support of Regimental Combat 6 during Operation Iraqi Freedom in 2007 and 2009. The battalion had one Marine injured and no fatalities during these deployments. CLB-4 has also deployed in support of OEF.