The US Army
CPT Woodruff
MTU ARMY ROTC
Agenda
• US MILITARY BRANCHES
• Active Duty / USAR / NATIONAL
GUARD
• RANK STRUCTURE/UNIT
STRUCTURE
• ARMY DIVISIONS
• ARMY BRANCHES
US Military Branches
US Army
US Air Force
US Navy
US Marine Corps
US Army Mission
• Preserve the peace and security, and provide for
the defense of the United States, the Territories,
Commonwealths, and Possessions, and any areas
occupied by the United States
• Support national policies
• Implement national objectives
• Overcome any nations responsible for aggressive
acts that imperil the peace and security of the
United States
America’s Army
• Foundation
–
Established 14 June 1775 by Continental
Congress
• Articles of Confederation
–
First roles and missions: “Provide for the
common defense”
The Constitution - 1787
• Principle of civilian control over military
• Congress:
-
Raises and supports military services
Declares war
Makes rules for governing and regulating the
services
• President:
–
–
–
Commander in Chief
Authority to make treaties and to appoint Federal
Officers
Directs national security affairs
The Total Army
20%
RESERVES
205K
35%
NATIONAL GUARD
350K
ACTIVE
495K
45%
Active Component
Army Reserve
• Formed in 1908. After WW I, the National
Defense Act of 1920 established the
Organized Reserve Corps which includes
both units and individuals.
• The Army Reserve is not under state control.
• Provides the bulk of combat service support
(CSS), as well as some combat support (CS),
for the Total Army.
Army Reserve
• Selected Reserve: Army Reserve Units, Individual
Mobilization Augmentees, Active Guard/Reservists.
Total strength about 204,500.
• Individual Ready Reserve: Individuals who have
completed active duty and reserve training
requirements, or have left active duty recently and
still have a reserve commitment. Total strength
about 155,000.
• Retired Reserve: Individuals who have completed
20 years of qualifying service for retirement.
(Approx 693,300)
Army National Guard
• Lineage traced to militias formed during the
French and Indian Wars in 1700s.
• Provides, primarily, combat and combat
support unit reinforcements, as well as some
combat service support, for the active Army.
• Provides combat reinforcement capability
with 15 “enhanced readiness” brigades,
trained and equipped to reinforce deployed
AC forces within 90 days
Enlisted Ranks
Enlisted Members (EMs)
E-1
Private (PVT)
E-2
Private (PV2)
E-3
Private First Class (PFC)
E-4
Specialist (SPC)
No Rank
or
Corporal (CPL)
Enlisted Ranks
Non-Commissioned Officers
E-5
Sergeant (SGT)
E-6
Staff Sergeant (SSG)
E-7
Sergeant First Class (SFC)
Enlisted Ranks
Non-Commissioned Officers
E-8
Master Sergeant
(MSG)
or First Sergeant
(1SG)
E-9
Sergeant Major
(SGM)
or Command Sergeant
Major (CSM)
E-9 Special
Sergeant Major of the Army
Warrant Officers
W1
Warrant Officer
W2
Chief Warrant Officer 2
W3
Chief Warrant Officer 3
W4
Chief Warrant Officer 4
W5
Chief Warrant Officer 5
Commissioned Officers
Company Grade
O-1 2nd Lieutenant (2LT)
O-2 1st Lieutenant (1LT)
O-3 Captain (CPT)
Commissioned Officers
Field Grade
O-4 Major (MAJ)
O-5 Lieutenant Colonel (LTC)
O-6 Colonel (COL)
Commissioned Officers
General Officer
O-7 Brigadier General (BG)
O-8 Major General (MG)
O-9 Lieutenant General (LTG)
O-10 General (GEN)
Unit Structures
Team
Team Leader
Rifleman
Automatic
Rifleman
Grenadier
Squad
Graphic Symbol
Squad Leader
Team Leader
Team Leader
Rifleman
Automatic
Rifleman
Grenadier
Rifleman
Automatic
Rifleman
Grenadier
Platoon
Graphic Symbol
Platoon Leader
Platoon Sergeant
Squad Leader
Squad Leader
Squad Leader
Company
Graphic Symbol
Company Commander
Executive Officer
Platoon Leader
1st SQD 2nd SQD 3rd SQD
First Sergeant
Platoon Leader
Platoon Leader
1st SQD 2nd SQD 3rd SQD
1st SQD 2nd SQD 3rd SQD
Battalion
Graphic Symbol
Executive Officer
Operations Officer
Line Company
Commander
Battalion Commander
Line Company
Commander
Line Company
Commander
Command
Sergeant
Major
Headquarters
Company
Commander
Brigade
- Commander normally a Colonel (O-6)
- Two or more Battalions make up a Brigade
- Are often organized in Brigade Combat Teams consisting
of an Artillery BN, Engineer BN, and Forward Support BN in
addition to organic manuever BNs
X
- Graphic symbol (one X)
X
Mech Inf Bde
Mech Inf Bn
Mech Inf Bn
Armor Bn
Divisions
- Commander normally a Major General (O-8)
- Each Division has C2, combat, combat service,
combat service support units
- 10 active duty Divisions in US Army
- Five types of Divisions:
- graphic symbol (two Xs)
Armored
Mechanized
Light Infantry
Airborne
Air Assault
XX
Active Divisions
CONUS
Armored
Air Assault
1st Cavalry Div
1st Armored Div
Ft Hood, TX
Ft Riley , KS (1 Bde)
Light Infantry
101st Airborne Div 10th Mountain Div
Ft Campbell, KY
Ft Drum, NY
Mechanized
25th Infantry Div
Ft Lewis, WA (1 Bde)
Airborne
1st Infantry Div
2nd Infantry Div
3rd Infantry Div
4th Infantry Div
82nd Airborne Div
Ft Riley, KS (1 Bde)
Ft Lewis, WA (1 Bde)
Ft Stewart, GA
Ft Benning, GA
Ft Hood, TX
Ft Carson, CO
Ft Bragg, NC
Active Divisions
OCONUS
Armored
Light Infantry
1st Armored Div
25th Infantry Div
Bad Kreuznach, Germany
Schofield Barracks, HI
Mechanized
1st Infantry Div
Wurzburg, Germany
2nd Infantry Div
Camp Red Cloud, Korea
Types of Branches of
the US Army
1) Combat Arms: involved in actual fighting
2) Combat Support: provide operational
assistance to combat arms to include combat
missions as necessary
3) Combat Service Support: provide logistical
and administrative support to the army;
personnel normally not directly involved in
combat operations
Combat Arms
Infantry
Corps of Engineers
Armor
Air Defense
Artillery
Field Artillery
Aviation
Special Forces
Combat Support
Military Police
Aviation
Corps of Engineers
Chemical Corps
Military Intelligence
Signal Corps
Combat Service
Support
Adjutant
General
Corps
Finance
Corps
Ordnance
Corps
Transportation
Corps
Quartermaster
Corps
Special Branches
JAG Corps
Medical
Corps
Dental
Corps
Nurse
Corps
Veterinary Chaplain
Corps
Corps
Chain of Command Bottom
Line
Commander in Chief
Division Commander
Secretary of Defense
Brigade Commander
Secretary of the Army
Battalion Commander
Army Chief of Staff
Company Commander
Theater Commander
Platoon Leader
Army Group Commander
Squad Leader
Corps Commander
Team Leader
Summary
• US MILITARY BRANCHES
• Active Duty / USAR / NATIONAL
GUARD
• RANK STRUCTURE/UNIT
STRUCTURE
• ARMY DIVISIONS
• ARMY BRANCHES
Conclusion
QUESTIONS
OR
COMMENTS