The member states adopted a new " Strategic Concept " , the alliance 's new ten-year plan following the expiration of the previous plan adopted at the 1999 Washington summit . In addition to accepting the Strategic Concept that addressed the alliance 's modern challenges such as terrorism and cyber attacks , the members agreed to develop a mutual missile defense system . The members met with President of Afghanistan Hamid Karzai regarding the group 's operations in the country . They agreed to gradually withdraw combat forces from the country with a completion date of 2014 . NATO reaffirmed their commitment to remain in Afghanistan to provide training and advice to Afghan forces and police
1999 Washington summit
1999 Washington summit
2010 Lisbon summit