battle group
n.
► A U.S. army unit usually composed of five companies.
► A naval force composed of a variable number of warships, escorts, and supply vessels, depending on the nature of the mission.
► An improvised force, usually of battalion or brigade strength, drawn from different units for a particular operation.
► Chiefly British. A tactical force of battalion strength formed by attaching infantry and armored companies.

[TahlilGaran] American Dictionary ▲