A US Army CH-47 Chinook helicopter carrys a M777 howitzer during a field artillery battalion gun raid drill at a military training field in Pocheon on March 19, 2023, as part of the Freedom Shield joint military exercise. - South Korea and the United States kicked off the Freedom Shield joint military exercise, their largest drills in five years, which will run for 10 days from March 13, 2023 as part of the allies drive to counter North Korea's growing threats. (Photo by Jung Yeon-je / AFP)