Shifting U.S. priorities and the potential redeployment of THAAD are shaking South Korea's trust in American security guarantees, raising fears of regional instability and a move toward greater self-reliance. https://www.japantimes.co.jp/commentary/2026/03/20/world/us-promises-to-south-korea/?utm_medium=Social&utm_source=mastodon #commentary #worldnews #iran #us #southkorea #nato #southkoreausrelations #straitofhormuz #leejaemyung #donaldtrump #thaad