noun
combined fleet
Primarily refers to the Imperial Japanese Navy's main battle fleet, especially during the Russo-Japanese War and World War II. In modern contexts, it can refer to any combined naval force.
連合艦隊は真珠湾攻撃を行った。
The Combined Fleet carried out the attack on Pearl Harbor.
日本海海戦で連合
The Combined Fleet won the Battle of Tsushima.