Brigade Combat Team

The Brigade Combat Team (BCT) is the fundamental building block of the U.S. Army's combat force structure. Each BCT is a self-contained formation of roughly 4,500 soldiers that includes maneuver battalions, field artillery, engineers, a cavalry squadron for reconnaissance, a support battalion for logistics, and a headquarters element. The BCT is designed to be the smallest unit capable of conducting sustained independent operations.

The Army fields three types of BCTs: Infantry BCTs (IBCTs) for dismounted operations in complex terrain, Stryker BCTs (SBCTs) built around the eight-wheeled Stryker vehicle for rapid deployment, and Armored BCTs (ABCTs) equipped with M1 Abrams tanks and Bradley fighting vehicles for high-intensity combat. Each type is tailored for different operational environments and threat levels.

The BCT structure emerged from the Army's transformation in the early 2000s, replacing the older division-centric organization with more modular, deployable units. A division headquarters can command any combination of BCTs depending on the mission, giving commanders flexibility to task-organize forces for specific operations.