This is what Vietnam gets after granting approval for USA aircraft carrier visitation.

https://sg.finance.yahoo.com/news/us-hikes-tariffs-chinese-steel-064531281.html

The USA tramples over Vietnam after Vietnam war by imposing steel tariffs against Vietnam. 

Vietnam must be regretting now for granting the approval for the USA aircraft carrier visitation.

http://sg-stock.blogspot.sg/2018/01/the-usa-aircraft-carrier-will-visit.html

https://www.nytimes.com/2018/03/04/world/asia/carl-vinson-vietnam.html