"As an independent country and understanding of our national interests, we signed this agreement for stability, goodwill and prosperity of our people, stability of the region and the world."
Twelve-thousand foreign military personnel are now expected to keep their boots on Afghan soil past 2014.
That's when the combat mission of Afghanistan's U.S.-led NATO force is slated to end.
U.S. Ambassador to Afghanistan, James Cunningham:
(SOUNDBITE) (English) U.S AMBASSADOR TO AFGHANISTAN, JAMES CUNNINGHAM, SAYING: