A “troop” in the army is either an individual service member or a specific type of small military unit, depending on context.

Basic meaning

  • In everyday news, “troops” usually means soldiers or service members in general (e.g., “5,000 troops deployed” = 5,000 people).
  • In strict military organization, a troop is a sub‑unit, historically of cavalry, roughly comparable to a platoon or, in some forces, to a small company.

Troop as a person

  • Modern usage often treats “troop” like “soldier,” so “one troop” can mean one service member of any rank or branch.
  • This usage is informal in feeling to some speakers but is very common in media and military-related writing today.

Troop as a unit

  • In cavalry and armored cavalry, a troop is a unit made of several platoons and is a subordinate element of a squadron.
  • This kind of troop is usually commanded by a captain and often has around 70–150 soldiers , depending on the unit’s type and mission.
  • More generally, many armies treat a troop as the cavalry equivalent of an infantry platoon or section , though some (like certain UK units) use it at roughly company/battery level.

Simple example

  • “Three troops advanced at dawn” (unit sense) = three cavalry-style sub‑units moving together.
  • “Three troops were injured” (person sense) = three individual soldiers/service members were injured.

Information gathered from public forums or data available on the internet and portrayed here.