Today, the Ministry of National Defense of the Republic of Korea, the Ministry of Defense of Japan, and the Department of Defense of the United States of America finalized a trilateral information sharing arrangement concerning the nuclear and missile threats posed by North Korea.
This arrangement creates a framework by which the defense authorities of the United States, the Republic of Korea, and Japan may voluntarily share classified information. The Department of Defense is to serve as the hub for information shared trilaterally. The arrangement does not impose any new legal obligations on the signatories.
This arrangement advances the security of the three signatories. In particular, information sharing among the signatories on the nuclear and missile threats posed by North Korea will allow for a more effective response to future provocations and during contingencies.
The full text of the arrangement can be viewed here.