South Korean Submarine ROKS Dosan Ahn Chang-ho to Join Joint Drills with Canada in June

The ROKS Dosan Ahn Chang-ho, a 3,000-ton South Korean submarine, will make a 14,000-kilometer journey across the Pacific for joint exercises with Canada in June, enhancing maritime security and arms industry cooperation. This voyage marks the longest distance traveled by a South Korean submarine. The submarine will also participate in the U.S.-led Rim of the Pacific exercise in Hawaii afterward. The move coincides with South Korea's bid for a $40 billion contract to supply 12 submarines to the Canadian navy.

Published Mar 26, 2026

The ROKS Dosan Ahn Chang-ho, a 3,000-ton South Korean submarine, will undertake a 14,000-kilometer journey to Victoria, Canada, for joint drills in June, marking its first trans-Pacific deployment. The submarine will stop in Guam and Hawaii for replenishment, with two Canadian submariners joining for the final leg.

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This journey is the longest for a South Korean submarine. Following the drills, it will participate in the Rim of the Pacific exercise in Hawaii. The deployment aligns with South Korea's efforts to secure a $40 billion contract to supply 12 submarines to Canada, supported by government ministries and defense firms.