Sentence:  With the better understaing of the Iraqi Brigade Commander's approach to battle-planning, the Irish MiTT worked at getting a general concept of the Commander's plan early in the planning process to share with the <WSD>downtrace</WSD> units so the Battalions would have greater opportunity to plan, rehearse, and resource their battle plans. 
Meaning of the word marked with <WSD> tags:  The set of subordinate units lower in the chain of command from a specified unit.