Command and Staff
1. In combat service support (CSS) units, the functions of the S1
and S2 are usually combined.
2. In units where the TOE or TDA does not authorize an S5, the
commander gives an officer (usually the S3) the responsibility for
3. Selected brigades only.
4. For brigades and battalions not authorized a specific special
staff officer, the commander appoints an officer to perform the
function as an additional duty, if required. The command may
form other staff groups when Department of the Army or the
5. In support battalions, a support operations officer is added to
the coordinating staff.
Figure 3-2. Generic battalion and brigade staff model
10 May 2005