U.S. service members with the Ceremonial Honor Guard march off as the casket of George H. W. Bush, the 41st President of the United States,departs Andrews Air Base, Md., Dec. 03, 2018. Nearly 4,000 military and civilian personnel from across all branches of the U.S. armed forces, including Reserve and National Guard components, provided ceremonial support during Bush's state funeral. (Sgt. Victor F Perez Vargas)