===Prayer service===A tradition of a national prayer service, usually the day after the inauguration, dates back to George Washington and since Franklin Delano Roosevelt, the prayer service has been held at the Washington National Cathedral.
Esso coinvolge non solo i servizi segreti, ma anche altri organismi esecutivi federali, l'ICE-FPS ("Immigration and Customs Enforcement-Office of Federal Protective Service"), tutti e cinque i rami delle forze armate, l'USCP ("United States Capitol Police") e l'MPDC ("Metropolitan Police Department of the District of Columbia").