National security advisor Jake Sullivan said President Biden was doing what he could to "strengthen" the position of Ukraine before he leaves office.

Outgoing National Security Adviser Jake Sullivan denied reports that the Biden administration is considering returning nuclear weapons to Ukraine, after the country relinquished its stockpile three decades ago after the fall of the Soviet Union.

Jake has served as the U.S. National Security Advisor throughout Joe Biden’s presidency. Learn more about his personal life, here.

Watch Major Garrett's full interview with National Security Adviser Jake Sullivan, a portion of which aired on Dec. 1, 2024 on "Face the Nation with Margaret Brennan."

President-elect Donald Trump tapped Waltz, a Florida congressman and the first Green Beret to serve in Congress, to be his national security adviser in the upcoming administration. This was Waltz’s first television appearance since being picked, though Waltz is currently the member of Congress with the most appearances on Fox News.

Since the November 5, 2024 presidential election, the Biden administration has enormously expanded the scale of direct US military intervention into the Ukraine war.

Jake Sullivan, has debunked a report that President Joe Biden may return nuclear weapons to Ukraine in the last 50 days of his administration. Sullivan, speaking on Sunday in an

National security adviser Jake Sullivan said Sunday that the White House is not considering returning nuclear weapons to Ukraine.

Providing Ukraine with nuclear weapons, which it willingly gave up in the early 1990s, is not considered part of the United States' military support efforts. Source: Jake Sullivan, US National Security Advisor,

The current administration of US President Joe Biden rejects the possibility that Ukraine could obtain nuclear weapons. It will focus on the transfer of conventional weapons, states the National Security Adviser to the President of the United States,