FILE - In this photo provided by the North Korean government, North Korean leader Kim Jong Un, left, supervises artillery firing drills in North Korea, on March 7, 2024. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP, File)
FILE - A TV screen shows an image of soldiers believed to be from North Korea stand in line to receive supplies from Russia during a news program at Seoul Railway Station in Seoul, South Korea, on Oct. 21, 2024. (AP Photo/Ahn Young-joon, File)
FILE - In this photo provided by the North Korean government, soldiers march during a military parade to mark the 75th founding anniversary of the Korean People's Army on Kim Il Sung Square in Pyongyang, North Korea, on Feb. 8, 2023. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP, File)
FILE - Russian President Vladimir Putin, left, and North Korea's leader Kim Jong Un pose for a photo during a signing ceremony of the new partnership in Pyongyang, North Korea, on June 19, 2024. (Kristina Kormilitsyna, Sputnik, Kremlin Pool Photo via AP, File)
FILE - In this photo provided by the North Korean government, North Korean leader Kim Jong Un, center, meets soldiers who took part in a training in North Korea, on March 13, 2024. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP, File)
FILE - Russian President Vladimir Putin, right, and North Korea's leader Kim Jong Un shake hands during their meeting in Vladivostok, Russia, on April 25, 2019. (AP Photo/Alexander Zemlianichenko, Pool, File)
FILE - NATO Secretary General Mark Rutte delivers a statement, after a meeting with a high level South Korean delegation including top intelligence and military officials as well as senior diplomats briefed NATO diplomats, at NATO headquarters in Brussels on Oct. 28, 2024. (AP Photo/Virginia Mayo, File)