Complex sentence: Brent Scowcroft (born March 19,1925) is a retired United States Air Force lieutenant general who was the United States National Security Advisor under U.S. Presidents Gerald Ford and George H. W. Bush.
Split into simpler sentences: Brent Scowcroft (born March 19,1925) is a retired United States Air Force lieutenant general. He was the United States National Security Advisor under U.S. Presidents Gerald Ford and George H. W. Bush.