Robert C. O’Brien, former U.S. national security adviser, talks about national security during a press conference at the Capitol in Salt Lake City on Monday, Feb. 12, 2024. | Kristin Murphy ...

Former Ambassador Robert C. O’Brien is a leading voice for a “peace through strength” approach to foreign policy. He began his career as an attorney handling government claims against Iraq ...

Robert C. O’Brien, the 27th national security adviser under former President Donald Trump, discussed the wide range of threats that China poses to the United States’ national security and economy.

Robert C. O’Brien, a former national security adviser during the President Donald Trump administration, said Monday while visiting the Utah Capitol that “we need to finish building the wall ...

President Donald Trump said Wednesday he's naming hostage negotiator Robert O'Brien as his new national security adviser. Trump tweeted the announcement from California, while on the third and ...

National Security Adviser Robert O'Brien responded to questions from reporters in the White House driveway and said the president was not previously briefed on the Russian bounties report because ...

Robert C. O’Brien, the national security adviser, told Fox News that President Trump knew nothing about the reports because the briefer “decided not to” share unverified intelligence with him.

In comments given to the National Interest, former Trump National Security Advisor Ambassador Robert C. O’Brien explained that the U.S. Air Force needs 300-400 B-21 Raider stealth bombers ...

Robert C. O’Brien, the national security adviser, told Fox News that President Trump knew nothing about the reports because the briefer “decided not to” share unverified intelligence with him.