The 1st Air Fleet , also known as the Kidō Butai, was a name used for a combined carrier battle group comprising most of the aircraft carriers and carrier air groups of the Imperial Japanese Navy (IJN) during the first eight months of the Pacific War.
Japanese seaplane carrier Wakamiya.
Admiral Chūichi Nagumo (Commander-in-Chief, 1st Carrier Division)
Vice Admiral Tamon Yamaguchi (2nd Carrier Division)
Vice Admiral Kakuji Kakuta (4th Carrier Division - from 1941)
A carrier battle group (CVBG) is a naval fleet consisting of an aircraft carrier capital ship and its large number of escorts, together defining the group. The CV in CVBG is the United States Navy hull classification code for an aircraft carrier.
The USS Abraham Lincoln carrier battle group during the 2000 RIMPAC exercise
A flotilla from the Indian Navy's Western Fleet escorts the aircraft carriers INS Viraat and INS Vikramaditya through the Arabian Sea in 2014.
HMS Queen Elizabeth (R08) and her Carrier Strike Group during Exercise Westlant 19.
USS George Washington Carrier Strike Group sails in formation for a strike group photo in the Caribbean Sea 29 April 2006. Such a formation, referred to derisively as the "bullseye" formation, would not be used in combat.
