301st Maneuver Enhancement Brigade
301st Maneuver Enhancement Brigade is a United States Army Reserve unit based in Joint Base Lewis-McChord, Washington organized first at Fort Lawton, Seattle in 2007, then moved to Joint Base Lewis-McCord in 2008. The Maneuver Enhancement Brigade is a brigade size headquarters with a modular organization that is designed to provide support to the combatant commander within an assigned area of responsibility. The MEB is a command and control headquarters with a robust multifunctional brigade staff that is optimized to conduct support area operations. The MEB provides mission command of assigned units during peace time, homeland security, homeland defense, and civil support missions within the United States.
Organization
The brigade is a subordinate unit of the 416th Theater Engineer Command. As of January 2026 the brigade consists of the following units:301st Maneuver Enhancement Brigade, at Joint Base Lewis–McChord- * Headquarters and Headquarters Company, 301st Maneuver Enhancement Brigade, at Joint Base Lewis–McChord
- * 315th Engineer Battalion, at Camp Pendleton
- ** Headquarters and Headquarters Company, 315th Engineer Battalion, at Camp Pendleton
- ** Forward Support Company, 315th Engineer Battalion, at Camp Pendleton
- ** 305th Engineer Company, in San Diego
- ** 350th Engineer Company, in Bell
- ** 387th Engineer Company, in Scottsdale
- ** 394th Engineer Company, in Bell
- ** 450th Engineer Platoon, at Camp Pendleton
- * 321st Engineer Battalion, in Boise
- ** Headquarters and Headquarters Company, 321st Engineer Battalion, in Boise
- ** Forward Support Company, 321st Engineer Battalion, in Boise
- ** 391st Engineer Company, in Boise
- ** 455th Engineer Company, in Hayden
- ** 659th Engineer Company, at Fairchild Air Force Base
- ** 671st Engineer Company, at Camp Withycombe
- *** Detachment 1, 671st Engineer Company, in Marysville
- ** 672nd Engineer Detachment, in Missoula
- ** 744th Engineer Company, in Ogden
- ** 751st Engineer Detachment, at Fairchild Air Force Base
- ** 306th Engineer Detachment, in Yakima
- ** 314th Engineer Detachment, in Tustin
- ** 582nd Engineer Detachment, in Tustin
- ** 593rd Engineer Detachment, in Tustin
- ** 614th Engineer Detachment, in Yakima
- ** 702nd Engineer Detachment, in Yakima
- ** 907th Engineer Detachment, in Yakima
- * 397th Engineer Battalion, in Marina
- ** Headquarters and Headquarters Company, 397th Engineer Battalion, in Marina
- ** Forward Support Company, 397th Engineer Battalion, in Marina
- ** 322nd Engineer Company, in Sloan
- ** 374th Engineer Company, in Concord
- ** 386th Engineer Company, in Sloan
- ** 485th Engineer Platoon, in Sloan
- ** 801st Engineer Company, in Vallejo