Kadena Air Base: What To Know About The Largest US Military Installation In The Asia-Pacific Region

The Treaty of Mutual Cooperation and Security between the United States and Japan (, Nihon-koku to Amerika-gasshkoku to no Aida no Sgo Kyryoku oyobi Anzen Hosh Jyaku), known as simply the US-Japan Security Treaty in English and as the Anpo jyaku () or just plain Anpo () for purposes of brevity, was officially signed on January 19, 1960. It was further bolstered by a Defense Cooperation Agreement signed by the two countries’ representatives on September 28, 2015.