Carrier battle group
Overview
 
A carrier battle group (CVBG) consists of an aircraft carrier
Aircraft carrier
An aircraft carrier is a warship designed with a primary mission of deploying and recovering aircraft, acting as a seagoing airbase. Aircraft carriers thus allow a naval force to project air power worldwide without having to depend on local bases for staging aircraft operations...

 (designated CV) and its escorts, together composing the group. The first naval task forces built around carriers appeared just prior to and during World War II. The Imperial Japanese Navy was the first to assemble a large number of carriers into a single task force, known as Kido Butai. This task force was used with devastating effect during the Pearl Harbor Attack.
 
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