Japan Maritime Self-Defense Force
The , abbreviated , also simply known as the Japanese Navy, is the maritime warfare branch of the Japan Self-Defense Forces, tasked with the naval defense of Japan. The JMSDF was formed following the dissolution of the Imperial Japanese Navy ( ...
. It is based at
Naval Air Facility Atsugi
is a joint Japan-US naval air base located in the cities of Yamato, Kanagawa, Yamato and Ayase, Kanagawa, Ayase in Kanagawa Prefecture, Kanagawa, Japan. It is the largest United States Navy (USN) air base in the Pacific Ocean, and once housed ...
in
Kanagawa Prefecture
is a Prefectures of Japan, prefecture of Japan located in the KantÅ region of Honshu. Kanagawa Prefecture is the List of Japanese prefectures by population, second-most populous prefecture of Japan at 9,221,129 (1 April 2022) and third-dens ...