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Rfd-redundant: 5. (military) A self-contained military organization; usually a battalion, regiment, or naval ship.
Seems redundant to either:
4. An organized group comprising people and/or equipment.
- He was a member of a special police unit.
6. (military, informal) A member of a military organization.
- The fifth tank brigade moved in with 20 units. (i.e., 20 tanks)
7. (US, military) Any military element whose structure is prescribed by competent authority, such as a table of organization and equipment; specifically, part of an organization.
- delete #5 and #6 ... I agree that #5 covered by #7 and others. A regiment is unit but so is squad (that would fall under the TO&E of #7). A square is a rectangle but a rectangle is not necessarily a square. A regiment is a unit but a unit is not necessarily a "self-contained" organization. Anent #6, I held three MOSs in the Army ... one of them being Armor. I can't imagine someone saying that the 5th Armor (not tank, at least not in the US) Brigade moved in with 20 units with the "units" referring to the number of tanks. Military communications demand clarity ... and that isn't clear at all. I'v been out of the Army for several years now but I don't recall that even as slang but things change fast in the military. I'd be willing to listen to someone who is on Active Duty or in the Reserves chip in and defend it.