HANOI, Vietnam (June 20, 2007) - Chief of Naval Operations (CNO) Adm. Mike Mullen visits with Vietnamese Deputy Minister of National Defense, Senior Lt. Gen. Nguyen Huy Hieu during an office call. Mullen is on a seven-day trip to Japan and Vietnam to visit with foreign leaders and Sailors stationed in the region. U.S. Navy photo by Mass Communication Specialist 1st Class Chad J. McNeeley