Chief of Staff of the U.S. Army Mark Milley, President Donald Trump, Sgt. Maj. of the Army Daniel Dailey and Secretary of State Mike Pompeo salute as a military honor guard carries the casket of Scott Wirtz, a civilian employee of the U.S. Defense Intelligence Agency killed along with three members of the U.S. military during a recent attack in Syria, past them during a dignified transfer ceremony at Dover Air Force Base, in Dover, Delaware, U.S., January 19, 2019.