US focused on defending itself and allies in Asia-Pacific8217;

Deputy Assistant Secretary of Defense in Bureau of Arms Control,Verification and Compliance,said.

8220;For example,we have deployed a missile defense radar in Japan,and we have several US ships operating in the Sea of Japan,with the missile defense mission.

8220;We are also discussing with Japan the possibility of deploying a second radar in Japan,which will assist with the defense of the United States,Japan against threats from North Korea,8221; he said in Tokyo on Wednesday,according to an official transcripts.