180221-N-AF077-015 NORFOLK (Feb. 21, 2018) Ambassador of the Socialist Republic of Vietnam to the United States Pham Quang Vinh, left, shakes hands with Undersecretary of the Navy Thomas Modly during a tour of the aircraft carrier USS George H.W. Bush (CVN 77). Vinh visited the ship to promote continued interoperability and a strong relationship between the Socialist Republic of Vietnam and the U.S. The ship is in port in Norfolk, Virginia, conducting routine maintenance in preparation for the Board of Inspection and Survey (INSURV). (U.S. Navy photo by Mass Communication Specialist 1st Class Sean Hurt/Released)