As part of the army’s redesign, it moved away from being a force and transformed into a more flexible modular combat te.

division, brigade            

Explanation:

                The United States Army was transformed from a division centric force to a brigade combat team or a brigade centric force. The new transformation of the Army into a brigade centric force makes the army more flexible than before as well as modular.

                The redesigning and the restructuring of the Army makes it to have the organic capabilities that the Army need to accomplished the assigned tasks. This transformation allowed the transfer of the personnel service battalion's functions to the brigade S-1.

Therefore the answer is ---

division, brigade      

answer; rarely listen to the child's point of view;