Protesters attempted to tear down a statue of Andrew Jackson in Lafayette Square by the White House on Monday.
The National Guard have now mobilized troops to protect monuments in Washington D.C.
"Since their activation, none of the National Guard members have been dispatched to actual monument locations to provide assistance to the NPP," Pentagon spokesperson Lt. Col. Christian Mitchell said in a statement. "They remain on standby at the DC Armory at this time. They will support U.S. Park Police at key monuments to prevent any defacing or destruction."
President Trump is preparing to sign an executive order to protect national monuments.