The 48th Chemical Brigade is a United States Armybrigade located at Fort Cavazos, Texas and subordinate to the 20th CBRNE Command. The 48th Chemical Brigade is the only active dutyCBRN defense brigade in the Army. The Brigade is tasked to discover, counter, and neutralize chemical, biological or nuclear threats. The Brigade was activated 16 September 2007, under the command of Colonel Vance P. (Phil) Visser and CSM E. Donald Moten.
Headquarters and Headquarters Company, Joint Base Lewis–McChord (WA)
9th Chemical Company (Tech Escort), Joint Base Lewis–McChord (WA)
11th Chemical Company (Tech Escort), Joint Base Lewis–McChord (WA)
45th Chemical Company, Joint Base Lewis–McChord (WA)
The 83rd Chemical Battalion was formerly the 83rd Chemical Mortar Battalion, which fought with the 1st, 3rd, and 4th Ranger Battalions in North Africa, Sicily, and Italy until those three battalions were destroyed during Operation Shingle. They were part of the 6615th Ranger Force which also included the 509th Parachute Infantry Battalion. The lineage of the 2nd Chemical Battalion (CBRN) goes back to the 30th Engineer Regiment (Gas and Flame), formed in 1917. The battalion and its predecessor units fought in World War I, World War II, the Korean War, Operation Desert Storm, and Operation Iraqi Freedom.