In this photo provided by South Korea Defense Ministry, US and South Korean fighter jets fly in formation during a joint drill, June 7, 2022. (South Korean Defense Ministry via AP)

South Korea and the United States held an air power exercise involving 20 fighter planes Tuesday. The allies’ latest demonstration of military strength comes as North Korea is showing signs it may soon test nuclear weapons.

The training was held in the sea off South Korea’s western coast. South Korea’s Ministry of National Defense said it was an answer to North Korea’s launch of eight ballistic missiles Sunday.

Pictures released by South Korea’s military showed the airplanes flying in a small, triangular formation. The exercise involved 16 South Korean fighter planes — including the F-35A, F-15K, and KF-16 — and four F-16 fighters from the U.S. Air Force, said South Korean officials.

South Korea and the U.S. showed “its strong ability and willingness to strike against North Korea’s provocations quickly and accurately,” the South Korean military said. The two countries are watching for further actions by North Korea, it added.

North Korea on Sunday fired eight short-range ballistic missiles into the sea over a 35-minute period, South Korea’s military said. It was North Korea’s 18th round of missile launches this year.

On Monday, the United States and South Korea answered by launching eight missiles of their own into the ocean.

Republic of Korea Army and the US Army 2nd Infantry Division soldiers fire short range missiles to demonstrate readiness in South Korea, June 6, 2022. (U.S. Army photo by Staff Sgt. Cody Harding / 2nd Infantry Division)
Republic of Korea Army and the US Army 2nd Infantry Division soldiers fire short range missiles to demonstrate readiness in South Korea, June 6, 2022. (U.S. Army photo by Staff Sgt. Cody Harding / 2nd Infantry Division)

South Korea’s new conservative president, Yoon Suk Yeol, has promised to answer quickly and firmly to what he calls North Korean provocations.

During a meeting last month, Yoon and U.S. President Joe Biden discussed holding larger joint military exercises. There had been fewer exercises under the previous South Korean government.

There are also signs that North Korea could soon carry out its seventh nuclear test. Another nuclear test could further raise tensions in the area.

Rafael Mariano Grossi is head of the International Atomic Energy Agency. He said Monday that one of the tunnel entrances has been opened at North Korea’s nuclear test site. That may be in preparation for a nuclear test, Grossi said.

Such a test, he said “would contravene U.N. Security Council resolutions and would be a cause for serious concern.”

North Korea is in the middle of one of its busiest years ever for weapons tests. It is attempting to make progress on a weapons development wish list created by leader Kim Jong Un in 2021.

I’m Dan Novak.

Dan Novak adapted this story for VOA Learning English based on reporting by William Gallo of Voice of America.

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Words in This Story

provocation — n. an action or occurrence that causes someone to become angry or to begin to do something

contravene — n. to fail to do what is required by law