Maj. Gen. William Walker, seen here during a Senate hearing on March 3, has been appointed as the House sergeant-at-arms.

Army Maj. Gen. William Walker, Commanding General of the District of Columbia National Guard, answers questions during a Senate Homeland Security and Governmental Affairs & Senate Rules and Administration joint hearing on March 3, 2021, to discuss the January 6th attack on the US Capitol. (Photo by Greg Nash / POOL / AFP) (Photo by GREG NASH/POOL/AFP via Getty Images)