Vice President Pence met with Prime Minister Nguyen Xuan Phuc of Vietnam to reaffirm the United States-Vietnam Comprehensive Partnership. Noting the 25th anniversary of normalized diplomatic relations in 2020, they agreed to strengthen bilateral cooperation across economic and security realms, including by addressing barriers to trade and by enhancing maritime security cooperation in the South China Sea. The Vice President thanked Vietnam for its cooperation on recovery operations of missing U.S. personnel and for supporting the pressure campaign on North Korea. They agreed to work together to promote shared principles for a free and open Indo-Pacific. The Vice President appreciated the Prime Minister's invitation to visit Vietnam in 2019.
Mike Pence, Readout of the Vice President's Meeting with Prime Minister Nguyen Xuan Phuc of Vietnam Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/336436