Under joint operations, Chief of Staff, Joint Staff office integrated concept of operations including those of 3 forces. And, Chief of Staff, Joint Staff office became to advise Minister of Defense primarily from view point as military specialist. Commander-In-Chief, Self Defense Fleet is commanded by Minister of Defense throughout Chief of Staff, Joint Staff office on commanding authority on subordinate units and JGSDF or JASDF units provided to Self Defense Fleet.
Also, for the better recognition of joint operations, Self Defense Fleet actively cope with the joint exercises with other 2 forces of JGSDF and JASDF. Among them, the amount of joint exercise with JGSDF using JMSDF transport ship and international activities is increasing.