The Future Force unit of action (UA) was designed by the United States Army’s tactical war-fighting echelon. Although optimized for offensive operations, the Future Combat Systems (FCS) equipped unit of action (UA) was intended to have the ability to execute a full spectrum of operations. Each will consist of: 3 combined arms battalions (CABs) 1 non-line-of-sight (NLOS) cannon battalion 1 reconnaissance surveillance and target acquisition (RSTA) squadron 1 forward support battalion (FSB) 1 brigade intelligence and communications company (BICC) 1 headquarters company
See also British Army's Future Army Structure (Next Steps), for comparison.
References FCS White Paper, April 2008