
The origins of the Imperial Japanese Navy go back to early interactions with nations on the Asian continent, beginning in the early medieval period and reaching a peak of activity during the 16th and 17th centuries at a time of cultural exchange with European powers during the Age of Discovery. It was the primary opponent of the Western Allies in the Pacific War. It was supported by the Imperial Japanese Navy Air Service for aircraft and airstrike operation from the fleet. The Imperial Japanese Navy was the third largest navy in the world by 1920, behind the Royal Navy and the United States Navy (USN). The Japan Maritime Self-Defense Force (JMSDF) was formed between 19 after the dissolution of the IJN.

info) 'Navy of the Greater Japanese Empire', or 日本海軍 Nippon Kaigun, 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender in World War II.

The Imperial Japanese Navy ( IJN Kyūjitai: 大日本帝國海軍 Shinjitai: 大日本帝国海軍 Dai-Nippon Teikoku Kaigun ( help
