170120-D-BP749-0942 WASHINGTON (Jan. 20, 2017) The U.S. Joint Chiefs of Staff bow their heads in prayer during the 58th Presidential Inauguration at the U.S. Capitol Building. More than 5,000 military members from across all branches of the armed forces of the United States, including Reserve and National Guard components, provided ceremonial support and Defense Support of Civil Authorities during the inaugural period. (U.S. Marine Corps photo by Lance Cpl. Cristian L. Ricardo/Released)