President-elect Donald Trump has asked U.S. Rep. Michael Waltz, a retired Army National Guard officer and war veteran, to be his national security adviser, according to a person familiar with the matter. Waltz is considered hawkish on China and has called for a U.S. boycott of the 2022 Winter Olympics in Beijing. He has also criticized the U.S. withdrawal from Afghanistan and the military's focus on diversity and equity programs. Waltz served in the Army for four years and did multiple combat tours, earning four Bronze Stars.