Japan, US, South Korea open joint air and naval exercise


South Korean protesters hold placards during a protest against a joint military exercise by South Korea, the US and Japan called Freedom Edge in front of the Defence Ministry in Seoul on September 15, 2025. - AFP

SEOUL: The United States, South Korea and Japan opened an air and naval exercise off a South Korean island Monday (Sept 15) in their latest joint drill condemned by North Korea as a “reckless show of strength.”

The exercise called Freedom Edge is aimed at strengthening the countries’ combined operational capabilities in the sea, air and cyberspace and is necessary to counter North Korea’s growing nuclear and missile threats, South Korea’s Defence Ministry said.

The US Indo-Pacific Command said the exercise will include US Marine and Air Force aerial assets and feature enhanced ballistic-missile and air-defence drills, medical evacuations and maritime operations training, making it “the most advanced demonstration of trilateral defence cooperation to date.”

The exercise off South Korea’s southern Jeju Island runs through Friday.

The powerful sister of North Korean leader Kim Jong Un earlier condemned the drills in state media, saying they show the countries’ confrontational stance toward the North.

“The reckless show of strength made by them in real action in the vicinity of the DPRK, which is the wrong place, will inevitably bring bad results to themselves,” Kim Yo Jong said, using the initials of North Korea’s formal name, the Democratic People’s Republic of Korea.

She also criticised the United States and South Korea over their latest Iron Mace tabletop exercise, which aims to explore ways to integrate Washington’s nuclear and South Korea’s conventional capabilities to bolster deterrence against North Korean threats. The US and South Korean militaries did not confirm details of the exercise that was reported to be coinciding with Freedom Edge.

North Korea in the past has carried out its own military demonstrations or weapons tests in response to joint military exercises of its rivals.

Kim Jong Un’s government has repeatedly dismissed calls by Seoul and Washington to restart negotiations aimed at winding down his weapons programmes, as he continues to prioritise Russia as part of a foreign policy aimed at expanding ties with nations confronting the United States.

Since Russia’s invasion of Ukraine, Kim has sent thousands of troops and large shipments of weapons, including artillery and ballistic missiles, to help fuel President Vladimir Putin’s warfighting.

Kim also visited China earlier this month, and shared centre stage with Chinese President Xi Jinping and Putin at a massive military parade, in another step aimed at strengthening his diplomatic leverage. - AP

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