Definition/Scope: An Infantry Division (ID) is comprised of approximately 10,000 to 16,000 soldiers. The ID can perform major tactical operations and conduct sustained battles and engagements. The current (as of Dec 2009) ID's are 1st , 2nd, 3rd, 4th, 7th Integrated ID, 24th Integrated ID, and the 25th. The Army reserve/National Guard Divisions are the 28th, 29th, 34th, 35th, 38th, 40th, 42nd, and the 49th. An ID is normally commanded by a Major General (0-8) who is assisted by two principal Brigadier Generals (0-7) performs duties as Assistant Division Commanders – one for Maneuver and one for Support. The command Sergeant Major (E-9) is the principal non-commissioned officer assistant. Divisions are comprised of three tactical maneuver (Infantry and/or Armor) Brigades and a Division base of combat support and combat service support elements.
Narrower Terms:Infantry Division, Light
Related Terms:101st Airborne Division (Air Assault)