The Headquarters Design Division (HDD) researches, writes, reviews, and refines doctrine and concepts that focus on organizational design for divisions, corps, and the theater army. , that are capable of answering the anticipated and un-anticipated challenges that large-scale ground combat operations. Members of HDD focus on doctrinal documents for echelons above brigade while synchronizing and coordinating efforts with Army, joint, and multi-Service proponents. The HDD is the Mission Command Center of Excellence lead for organizational design staff assistance teams.

Areas of responsibility:

• Joint Manning Documents
• Theater Army Organization and Operations Plan
• FM 3-94, Armies, Corps, and Division Operations
• ATP 3-92, Corps Operations
• ATP 3-93, Theater Army Operations