The navies of South Korea, the United States, and Japan started two days of anti-submarine exercises on Monday to better counter North Korea’s evolving nuclear and missile capabilities, South Korea’s defense ministry said.
The drills are being staged in international waters off South Korea’s southern island of Jeju, involving a U.S. carrier strike group led by USS Nimitz, which had arrived in the southeastern city of Busan last week.
The trilateral drills come as North Korea unveiled last week new, smaller nuclear warheads, vowed to produce more weapons-grade nuclear materials to expand its arsenal, and boasted of what it called a nuclear-capable underwater attack drone.
This week’s exercises will use a mobile anti-submarine warfare training target to improve the capabilities needed to detect, track and destroy North Korean underwater threats, the ministry said.
Japan’s top government spokesperson, Hirokazu Matsuno, told reporters that the drills are meant to promote trilateral cooperation to “deal with regional security concerns, protect our shared security and prosperity and show the three countries’ commitment to strengthening the rule-based international order.”
Asked about the drills on Monday, Chinese foreign ministry spokesperson Mao Ning blamed the drills by the United States and its allies around the peninsula as “the main reason for the high tensions on the Korean peninsula.”
“Relevant parties should create favorable conditions for the resumption of dialogue,” Mao said. The United States has said that it stands ready for talk with Pyongyang, but Kim has turned down the offer.
The three countries last held trilateral anti-submarine drills in September—the first time in five years—amid tension over North Korea’s unprecedented number of missile tests.
