Russian President Vladimir Putin listens as Russian Strategic Missile Forces chief, Col. Gen. Sergei Karakayev reports to him on a successful test launch of the Sarmat intercontinental ballistic missile. at the Kremlin in Moscow, Tuesday, May 12, 2026. (Mikhail Metzel/Sputnik, Kremlin Pool Photo via AP)

In this image made from video provided by Russian Defense Ministry Press Service on Tuesday, May 12, 2026, Russia's new Sarmat intercontinental ballistic missile is test launched at an unspecified location in Russia. (Russian Defense Ministry Press Service via AP)

Japan's Prime Minister Sanae Takaichi, left, and South Kore's President Lee Jae Myung, third from right, hold their meeting in Andong, South Korea, Tuesday, May 19, 2026. (AP Photo/Ahn Young-joon, Pool)

Japan's Prime Minister Sanae Takaichi, third from right, is greeted upon arrival at the Daegu International Airport in Daegu, South Korea, Tuesday, May 19, 2026. (Yoon Kwan-shick/Yonhap via AP)

Japan's Prime Minister Sanae Takaichi, left, and South Kore's President Lee Jae Myung pose for a photo during their meeting in Andong, South Korea, Tuesday, May 19, 2026. (AP Photo/Ahn Young-joon, Pool)

Japan's Prime Minister Sanae Takaichi, left, and South Kore's President Lee Jae Myung react during their meeting in Andong, South Korea, Tuesday, May 19, 2026. (AP Photo/Ahn Young-joon, Pool)

Visitors are gathered next to a display of an NSM Naval Strike Missile made by Norwegian company Kongsberg, presented at the Euronaval show, in Le Bourget, North of Paris, France, Wednesday Oct. 29, 2014. (AP Photo/Remy de la Mauviniere)

A delivery person on a bicycle waits for a traffic light near an electronic stock board showing Japan's Nikkei index at a securities firm Monday, May 18, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)