Japan to scale back military cooperation with S. Korea: Report

And with ties strained over the flights, Japan is reportedly cancelling its planned naval exchanges with South Korea,... including a port call by the helicopter carrier JS Izumo.
Quoting a number of government officials on Saturday, Japan's Sankei Shimbun reported... that Tokyo's defense ministry has decided... to reduce military cooperation with South Korea for the time being.
Japan had planned to dispatch a number of warships, including the Izumo,... to Busan for the ASEAN Defence Ministers’ Meeting-Plus... taking place in late April.