The exercises will simulate a missile launch, test the information-sharing capabilities of the two countries and confirm their course of action, the Nihon Keizai Shimbun said, citing government sources.

The plan came as the US navy from September plans to deploy an Aegis warship with anti-missile capabilities in the Sea of Japan, also known as the East Sea.

The deployment and the training exercises are seen as precautions against missile attacks by North Korea, the Nihon Keizai said.

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