Biden inaugurated commander in chief amid heavy military presence at Capitol 1 of 33 A National Guard stands at a road block near the Supreme Court ahead of President-elect Joe Biden's inauguration ceremony, Wednesday, Jan. 20, 2021, in Washington. (Gerald Herbert/AP) 2 of 33 Soldiers from the North Carolina Army National Guard patrol the Rosslyn Metro station on the morning of the inauguration on Jan. 20, 2021, in Arlington, Va. (Luke Sharrett/Getty Images) 3 of 33 Members of the National Guard stand at a road block near the Supreme Court ahead of President-elect Joe Biden's inauguration ceremony, Wednesday, Jan. 20, 2021, in Washington. (John Minchillo/AP) 4 of 33 Left to right: Doug Emhoff, Vice President-elect Kamala Harris, incoming first lady Jill Biden, President-elect Joe Biden, Missouri Sen. Roy Blunt and Minnesota Sen. Amy Klobuchar arrive for the inauguration of Joe Biden as the 46th president on Jan. 20, 2021, at the Capitol in Washington. (Angela Weiss/AFP via Getty Images)