Hours after Trump was sworn in as president, senators confirmed his first Cabinet pick and advanced the nominations of several others through committee.

Secretary of State Marco Rubio began his tenure as the top U.S. diplomat on Tuesday by pledging to keep his department at the heart of U.S. foreign policymaking and execute what he said was President Donald Trump's aim of promoting peace through strength.

Marco Rubio was overwhelming confirmed by the Senate as secretary of State to Donald Trump. He becomes the global face of Trump's foreign policy.

The Senate unanimously confirmed Marco Rubio as Secretary of State Monday, making him the first Cabinet nominee to be confirmed.

Newly sworn-in Secretary of State Marco Rubio called on U.S. diplomats to forcefully defend and execute President Donald Trump’s “America First” policies as he took the helm of the State Department just hours after taking the oath of office.

Rubio is seen as a steady foreign policy hand who has the confidence of Trump and Senate colleagues from both parties.

After a unanimous confirmation vote hours after the President was inaugurated Monday, the former Senator was sworn as Secretary of State on Tuesday. Rubio promised to help Trump deliver on a foreign policy vision for which he has a “clear mandate.”

Marco Rubio has been confirmed by the Senate as the country’s next secretary of state. The nomination of the senior senator from Florida, 53, was confirmed on Monday, Jan. 20, hours after Donald Trump took the oath of office as the 47th president.

President Donald Trump began his second administration with a blitz of policy actions to reorient U.S. government priorities.

The Homeland Security and Governmental Affairs Committee voted 13 to 2 on Monday night to advance Noem’s nomination to the Senate floor.