国际英语新闻：NATO adopts new long-term strategy to flex muscles

The 2010 strategy also keeps the door firmly open to membership in NATO to European democracies as long as they assume the incumbent responsibilities and meet the accession standards.

Finally, the new Strategic Concept underlines the need to invest in appropriate areas and to undertake reforms towards a more effective, efficient and flexible alliance.

Rasmussen on Friday opened the meeting of NATO Heads of State and Government in Lisbon, stating that it will be one of the most important summits in the military bloc's history.