48th Chemical Brigade
48th Chemical Brigade shoulder sleeve insignia
Active	16 September 2007 – present
Country	United States
Branch	U.S. Army
Role	Chemical Defense
Size	Brigade
Part of	20th CBRNE Command
Garrison/HQ	14010 Legends Way, Fort Cavazos
Motto(s)	Defend the Nation!
Commanders
Current commander	Colonel Johannie San Miguel
Command Sergeant Major	Command Sergeant Major Chylander S. Cummings

The 48th Chemical Brigade is a United States Army brigade located at Fort Hood, Texas and subordinate to the 20th Support Command (CBRNE). The 48th Chemical Brigade is the only active duty NBC 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.

Organization 2022

• 48th Chemical Brigade, Fort Hood (TX)^[1][2]
  • Headquarters and Headquarters Company, Fort Hood (TX)
  • 2nd Chemical Battalion, Fort Hood (TX)^[2]
    • Headquarters and Headquarters Company, Fort Hood (TX)
    • 63rd Chemical Company, Fort Campbell (KY)
    • 68th Chemical Company, Fort Hood (TX)
    • 172nd Chemical Company, Fort Riley (KS)
    • 181st Chemical Company, Fort Hood (TX)
  • 22nd Chemical Battalion, Fort Bliss (TX)^[3][2]
    • Headquarters and Headquarters Company, Fort Bliss (TX)
    • 10th Chemical Company, Fort Carson (CO)
    • 44th Chemical Company, Fort Bliss (TX)
    • 46th Chemical Company (Tech Escort), Fort Bliss (TX)
  • 83rd Chemical Battalion, Fort Stewart (GA)^[2][4][5]
    • Headquarters and Headquarters Company, Fort Stewart (GA)
    • 21st Chemical Company, Fort Bragg (NC)
    • 25th Chemical Company (Tech Escort), Fort Stewart (GA)
    • 51st Chemical Company, Fort Stewart (GA)
    • 59th Chemical Company, Fort Drum (NY)
    • 92nd Chemical Company, Fort Stewart (GA)
  • 110th Chemical Battalion, Joint Base Lewis–McChord (WA)^[2]
    • 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.

Commanders

• Colonel Vance P. (Phil) Visser (2007–2009)
• Colonel Eric Brigham (2009–2011)^[6]
• Colonel Maria Zumwalt (2011–2013)^[7]
• Colonel Sven Erichsen (2013–2015)^[8]
• Colonel Christopher Cox (2015–2017)^[9]
• Colonel Christopher Hoffman (2017–2019)
• Colonel W. Maria Bochat (2019–2021)^[10]
• Colonel Alexander C. Lovasz (2021–2023)^[11]
• Colonel Johannie San Miguel (2023–Present)

Command Sergeants Major

• CSM Donald Moten (2007–2011)
• CSM Kenneth M. Graham (2011–2013)^[7]
• CSM Kendall Owens (2013–2015)^[8]
• CSM Christopher Williams (2015–2017)^[9]
• CSM Ronrico Hayes (2017–2020)
• CSM William F. Allen III (2020–2022)
• CSM Chesley L. Baird, Jr (2022-2023)^[12]
• CSM Chylander S. Cummings (2023-Present)