已存在了50年的北约在它纪念其成立五十周年之际,正面临战略宗旨上的重大转折。北约的变与不变,对21世纪的人类世界将产生重大影响。初衷北约在成立时声称,它的目的是建立集体防御。北约认为,任何一个成员国受到武装进攻或威胁,即被看作是对所有成员国的进攻或威胁,各成员国有义务“采取必要的行动”。作为一个地区性的国家军事集 NATO, which has existed for 50 years, is facing a major turning point in its strategic objective when it commemorated its fiftieth anniversary. NATO’s change and change will have a significant impact on the human world in the 21st century. The original intention of NATO at the time of its establishment claimed that its purpose was to establish a collective defense. NATO believes that any member state being attacked or threatened by armed attacks is regarded as an attack or threat to all member states and all member states have the obligation to “take necessary actions”. As a regional national military set