Navy vessels due in Asia-Pacific area

A fourth attack submarine will be sent to Guam and six destroyers will be shifted from duty in Europe to the Asia-Pacific as part of the re-balancing of U.S. forces that's taking place in the region, a top Pentagon official said Monday.

Deputy Secretary of Defense Ash Carter outlined those steps and a host of others after returning from a trip to Japan, South Korea, the Philippines and Indonesia.

Part of the purpose of the trip was "to make sure that our forces, our allies and our partners in the region understand that we are serious about our defense commitments there - that we are going to walk the walk, not just talk the talk," Carter said in remarks prepared for a speech at the Center for Strategic and International Studies in Washington.

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