<p>A U.S. Army that for decades has fought in brigades and battalions is taking on new-age terms such as "units of action" and "modules."</p>
<p>The new terminology is the brainchild of Gen. Peter J. Schoomaker, the once-retired former "snake-eating" commando who was reactivated last summer by Defense Secretary Donald H. Rumsfeld to remake the Army, from tail to tooth.</p>