South Korea’s brief martial law declaration is still causing ripples. With both South Korea and Japan as key U.S. allies, how could this affect their relationship and the role of U.S. forces in the region? Retired Colonel Grant Newsham, senior fellow at the Center for Security Policy and research fellow at the Japan Forum for Strategic Studies, offers insight with NTD. Meanwhile, NATO’s leader called on members to boost defense spending Wednesday, citing rising threats from China and Russia.