The 36th Engineer Brigade is a combat engineer brigade of the United States Army based at Fort Hood, Texas. The brigade is a subordinate unit of III Corps. The unit is responsible for providing command and control to subordinate Engineer units. The unit was formerly designated as the 36th Engineer Group, and before that as the 36th Engineer Regiment. The 36th is the only unit that has been organized in all three command structures that are commanded by a Colonel in the U.S. Army; regiment, group, and brigade.