"Although we have no data indicating an internal threat, we will not miss anything in ensuring the security of the capital," RIA Novosti quoted him as saying.
The head of the Pentagon said that usually such a check is carried out by the FBI and other specialized bodies.
In addition, the National Guard units in Washington are conducting additional training for fighters who come from other states.
Earlier it was reported that about 25 thousand National Guard fighters will be transferred to Washington to maintain order during Biden's inauguration.