Afghanistan, Nov. 14 -- The NATO Secretary General Jens Stoltenberg emphasized on importance of the training of Afghan forces during his visit to the United States.

In his opening remarks in the meeting of Global Coalition to Defeat ISIS in Washington, Stoltenberg said congratulated the U.S. Special Forces for the successful action in eliminating ISIS leader Abu Bakr Al-Baghdadi, calling it a milestone in joint efforts against international terrorism.

Stoltenberg hailed the significant progress the coalition has made in the fight against terrorism.

However, he said the fight is not over as ISIS is still a threat. "The situation in Northern Syria remains fragile and difficult. It is well known that there are differences between NATO Allie...