This fact sheet highlights the Atlantic Alliance's ability to adapt and highlights operations as the crucible of its effectiveness. In 2008, a report by the NATO Parliamentary Assembly highlighted the range and diversity of activities carried out by NATO forces: "[The Alliance] has undergone a fundamental transformation from its strictly defensive posture during the Cold War. This evolution has continued in order to better serve the interests of its members and partners. A decade later, in a radically changed geopolitical environment, this transformation has become a revolution; NATO seems to have returned to its original function, that of the 1949 Washington Treaty, that of Article 5 and collective defence.
