President Donald Trump salutes as a U.S. Navy carry team moves a transfer case containing the remains of Scott A. Wirtz, Saturday, Jan. 19, 2019, at Dover Air Force Base, Del. According to the Department of Defense, Wirtz, a civilian and former Navy SEAL from St. Louis, Mo., was killed Jan. 16, 2019, in a suicide bomb attack in Manbij, Syria. (AP Photo/Andrew Harnik)