The 738th Engineer Battalion is a unit within the United States Army Reserve, with a history dating back to World War II. Originally constituted as the 738th Engineer Petroleum Distribution Company, the unit provided critical fuel supply and engineering support to Allied forces in the European Theater. Over the decades, the battalion has undergone several reorganizations and redesignations, adapting to changing military engineering needs. Today, the 738th Engineer Battalion continues to serve by supporting construction, mobility, and infrastructure missions both at home and abroad.