The South Korean army's drones fly during South Korea-U.S. joint military drills at Seungjin Fire Training Field in Pocheon, South Korea, Thursday, May 25, 2023. The South Korean and U.S. militaries held massive live-fire drills near the border with North Korea on Thursday, despite the North's warning that it won't tolerate what it calls such a hostile invasion rehearsal on its doorstep. (AP Photo/Ahn Young-joon)