本土安全及其在西半球利益为最优先事项

Group 1 - The core focus of the 2026 Defense Strategy Report is on prioritizing homeland security and U.S. interests in the Western Hemisphere, with an emphasis on strengthening partnerships and defense industrial base [1] - The Pentagon aims to restore U.S. military dominance in the Western Hemisphere, ensuring border security and combating "drug terrorists" in the region [1] - The report highlights the development of the "Iron Dome" missile defense system and capabilities to counter drone systems, alongside modernizing U.S. nuclear forces and enhancing cyber defenses for military and certain civilian targets [1] Group 2 - Russia is identified as a controllable threat to NATO's eastern members, possessing the largest nuclear arsenal and capabilities to attack the U.S. homeland [2] - NATO allies are deemed capable of taking primary responsibility for conventional defense in Europe, with the U.S. providing limited but critical support [2] - The report emphasizes preventing Iran from acquiring nuclear weapons and outlines strategies to bolster regional allies' defense capabilities against Iran [2] - North Korea is recognized as a direct military threat to South Korea and Japan, with its nuclear capabilities increasingly threatening the U.S. [2]