Military unit Guide, Meaning , Facts, Information and Description
A military unit is an organisation within an armed force. It may consist of any number of soldiers, ships, vehicles, or aircraft. Armies, navies, and air forces, are organised hierarchicaly into groups of various sizes for functional, tactical and administrative purposes. This organisation is sometimes called an "Order of Battle" or Orbat for short.This article gives an overview of some of the terms used to describe military units in armed forces across the world. Whilst it is recognised that there will be differences between armies of different nations, it seems that a large proportion are modelled on the British and/or American models. Readers interested in the detailed specifics of a national army (including the British and American) should consult the relevant entry for that country. Note that units larger than battalion size are usually referred to as "formations".
| Name | No. of personnel | No. of subordinate units | Officer in charge |
|---|---|---|---|
| Army group | Many | 2+ armies | General or Field Marshal |
| Army | Many | 2+ corps | General |
| Corps | 30,000+ | 2+ divisions | Lieutenant General |
| Division | 10,000-20,000 | 2-4 brigades | Major General |
| Brigade | 2000-5000 | 2+ regiments or 3-6 battalions | Brigadier General, Brigadier (UK) or Colonel (US Army) |
| Regiment (USMC) | ? | 4 battalions | Colonel |
| Regiment (UK) | 500-700 | 4-6 squadrons | Lieutenant Colonel |
| Battalion | 300-1000 | 2-6 companies | Lieutenant Colonel |
| Company or Squadron | 100-300 | 3-6 platoons or troops | Captain or Major |
| Platoon or Troop | 30-40 | 2+ squads or sections | First or Second Lieutenant |
| Squad or Section | 8-12 | 2+ fireteams | NCO (Corporal to Staff Sergeant) |
| Fireteam | 4-5 | n/a | NCO (Lance Corporal to Sergeant) |
Army, Army group and Theater are all large units which vary significantly between armed forces in size and hierarchy position.
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