U.S. Postal Service Pro Cycling Team was a United States-based professional road bicycle racing team. On June 15, 2004, the Discovery Channel signed a deal to become sponsor of the team for the 2004–2007 seasons and its name changed to Discovery Channel Pro Cycling Team (UCI Team Code: DSC) From 2005 until 2007, the team was one of the 20 teams that competed in the new UCI ProTour.