BETHESDA, MD - JANUARY 12:  (AFP OUT) U.S. President Donald Trump waves to journalists as he boards Marine One on departure from Walter Reed National Military Medical Center following his annual physical examination January 12, 2018 in Bethesda, Maryland. Trump will next travel to Florida to spend the Dr. Martin Luther King Jr. Day holiday weekend at his Mar-a-Lago resort.  (Photo by Chip Somodevilla/Getty Images)