; and (4) consistent with United States obligations under the nuclear nonproliferation treaty— (A) to not assist any country, including Japan and the Republic of Korea, in the development of nuclear weapons; and (B) to encourage all countries to abide by their commitments under such treaty and International Atomic Energy Agency agreements. (e) Alliances and military posture It is the policy of the United States— (1) to reaffirm the importance of the United States-Japan and United States-Republic of Korea alliances for maintaining peace and stability in the Indo-Pacific region and beyond; (2) to reaffirm United States extended deterrence commitments to Japan and the Republic of Korea; (3) to reaffirm the importance of the forward-deployed presence of United States military forces in Japan and Korea, and affirm close alliance coordination on any adjustment of United States military posture in the region; and (4) to strengthen United States efforts to confront emerging or asymmetric challenges, including cyber and space; (5) to safeguard maritime security and ensure freedom of navigation, commerce, and overflight in the Indo-Pacific region; and (6) to cooperate with allies and partners in the provision of public goods to the region, including humanitarian relief and disaster response. (f) Military measures It is the policy of the United States— (1) to keep United States security commitments to United States allies in the face of North Korea’s continuing threat, including taking necessary actions for United States self-defense and the defense of United States allies, including joint military exercises, modernization of weapons systems deployed in the region, and robust counter-provocation planning by the United States and Republic of Korea Combined Forces Command