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.

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

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.

Secretary of State Marco Rubio met Tuesday with his counterparts from Australia, India and Japan as the Trump administration kicked off its formal foreign policy engagements in discussions with the Indo- Pacific “Quad.

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.

Watch as Marco Rubio, Donald Trump's new Secretary of State, delivered remarks to employees at the Department of State upon his arrival after he was sworn into office. The Florida Senator, 53, became the first of the president's cabinet nominees to be sworn into office on Tuesday,

Shortly after becoming the first member of Donald Trump’s Cabinet to be confirmed, Marco Rubio, the new US secretary of state, held a bilateral with India’s External Affairs Minister S Jaishankar. Thi

President Donald Trump on his first day in office Monday signed an executive order to end birthright citizenship, but the policy could in theory harm some of his own Cabinet members.