In the Democratic primary on June 13, 2006, Webb faced longtime businessman and lobbyist Harris Miller. Webb won with 53.5% of the vote, in a race with low turnout. On January 4, 2007, Webb was sworn into the 110th U.S. Senate, accompanied by Sen. John Warner, R-Va., a fellow former Secretary of the Navy; and former Virginia Democratic Sen. Chuck Robb, who held the same seat before losing to Allen.