Vice President JD Vance swore in Marco Rubio as secretary of state Tuesday, the first of Trump's Cabinet nominees to take the job.
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Rubio said Trump's primary priority will be furthering the United States' interests and that anything the government and State Department do must make the country stronger, safer or more prosperous.
WATCH: Rubio gives first remarks after confirmation as Trump's secretary of state
"If it doesn't do one of those three things, we will not do it," Rubio said.
Vance, who served as a senator alongside Rubio, called him a "bipartisan solutions seeker."