U.S. Department of Defense Order - ARMY
Two teams make up a squad, which has four to 10 soldiers. In an infantry squad, the teams divide duties: one serves as a base-of-fire element, while the other serves as the maneuver element. A staff sergeant is often in charge. Commanded by a Staff Sergeant of 10 Soldiers
PLATOON
A platoon consists of a few squads and up to a few dozen soldiers. They’re generally run by a lieutenant, often with a noncommissioned officer as second in command. An infantry platoon might include a weapons squad, which is divided into two M240 machine gun teams, and two close-combat missile teams armed with Javelin missiles. Commanded by a Lieutenant of 36 Soldiers
BRIGADE
A brigade consists of a few battalions and anywhere from 3,000 to 5,000 soldiers. A colonel is generally in command. For historical reasons, armor and Ranger units of brigade size are called regiments, and the equivalent Special Forces units are called groups. In 2016, the Army reorganized its brigades into brigade combat teams, which are autonomous modular brigades that most commonly include one combat arms brigade and its assigned support and fire units. Commanded by a Colonel of 5000 Soldiers
US ARMY SPC 5 whitefish Reporting
Viet-Nam Combat Veteran
TEAM
Four soldiers make up a team — a noncommissioned officer and three junior enlisted soldiers. Teams with special functions may also include officers or warrant officers. An infantry fire team might include two riflemen, one of whom is the team leader; a grenadier and an automatic rifleman, who is used when small reconnaissance or special missions are required. Teams can serve as a base-of-fire or as a maneuver element. 4 Soldiers
SQUADTwo teams make up a squad, which has four to 10 soldiers. In an infantry squad, the teams divide duties: one serves as a base-of-fire element, while the other serves as the maneuver element. A staff sergeant is often in charge. Commanded by a Staff Sergeant of 10 Soldiers
PLATOON
A platoon consists of a few squads and up to a few dozen soldiers. They’re generally run by a lieutenant, often with a noncommissioned officer as second in command. An infantry platoon might include a weapons squad, which is divided into two M240 machine gun teams, and two close-combat missile teams armed with Javelin missiles. Commanded by a Lieutenant of 36 Soldiers
BATTALION
Battalions consist of four to six companies and can include up to about 1,000 soldiers. They can conduct independent operations of limited scope and duration and are usually commanded by a lieutenant colonel. There are combat arms battalions, as well as combat support and combat service support battalions. An armor or air cavalry unit of equivalent size is known as a squadron. Commanded by a Lieutenant Colonel of 1000 SoldiersBRIGADE
A brigade consists of a few battalions and anywhere from 3,000 to 5,000 soldiers. A colonel is generally in command. For historical reasons, armor and Ranger units of brigade size are called regiments, and the equivalent Special Forces units are called groups. In 2016, the Army reorganized its brigades into brigade combat teams, which are autonomous modular brigades that most commonly include one combat arms brigade and its assigned support and fire units. Commanded by a Colonel of 5000 Soldiers
DIVISION
Usually commanded by a major general, divisions are made up of three or four brigades and include 10,000 to 15,000 soldiers. Current divisions include airborne, armored, infantry and mountain divisions. Each can conduct major tactical operations and sustained battlefield operations. They are numbered and assigned missions based on their structure. Commanded by a Major General of 15000 Soldiers
CORPS
A corps includes two to five divisions with anywhere between 20,000 and 45,000 soldiers. A lieutenant general is in command. The corps is the highest level of command that can provide operational direction for actual combat. Higher levels are concerned with administration rather than operations. The current active corps are I Corps at Fort Lewis, Washington; III Corps at Fort Hood, Texas; and XVIII Airborne Corps at Fort Bragg, North Carolina. Commanded by a Lieutenant General of 45000 SoldiersFIELD-ARMY
A field army consists of two or more corps and is run by a general or lieutenant general. First Army serves as a mobilization, readiness and training command; Third Army, or U.S. Army Central, commands all Army forces for U.S. Central Command; Fifth Army, or U.S. Army North, commands all Army forces for U.S. Northern Command; Sixth Army, or U.S. Army South, commands all Army forces for U.S. Southern Command; Seventh Army, or U.S. Army Europe, commands all Army forces for U.S. European Command; Eighth Army commands all U.S. Army forces in South Korea; and Ninth Army, or U.S. Army Africa, commands all Army forces for U.S. Africa Command. Commanded by a 4 Star General of 90000 SoldiersARMY-GROUP
A group consists of four or five field armies and between 400,000 and 1 million soldiers. They’re commanded by a general and are considered self-sufficient for indefinite periods. They’re usually responsible for planning and directing campaigns in particular geographic areas. To differentiate them from field armies, groups are usually written with Arabic numerals (example - 12th Army Group) as opposed to having their number written out. Commanded by a 4 Star General of 400000 SoldiersARMY-REGION
These are only used in times of large-scale war, such as World War II. They usually consist of three or more field armies, with about 1 million to 3 million soldiers. They’re generally headed by a four- or five-star general. Commanded by a 5 Star General of 999999 + SoldiersUS ARMY SPC 5 whitefish Reporting
Viet-Nam Combat Veteran
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