“We have begun to withdraw from a number of bases,” RIA Novosti quoted Miller as saying.
He also added that the military "will hand over all their bases to the forces of Afghanistan."
Earlier, American President Joe Biden said that the withdrawal of American troops from Afghanistan would begin on May 1.
According to a senior US administration official, Washington plans to complete the withdrawal of US troops from Afghanistan by 9/11.
NATO plans to withdraw its troops from Afghanistan within a few months.