The deployment is part of Trump's executive action to declare a 'national emergency' at the US's southern border.
US president orders aid agency to cut ties with entities that have paid rebel group or opposed efforts to counter it.
Thailand becomes the first country in Southeast Asia, and only the third in Asia, to legalise same-sex marriage.
Secretary of State Marco Rubio criticised China's 'dangerous' actions towards the Philippines in the South China Sea.