 Sedgwick's VI Corps would head toward Chancellorsville on the Orange Plank Road, and then turn south, followed by Burnside's IX Corps.Meade began by ordering Sheridan's Cavalry Corps to clear the Brock Road for the infantry, but the troopers soon bogged down.The brigade of Col. J. Irvin Gregg (David Gregg's division), was stopped at Corbin's Bridge on the Catharpin Road by cavalrymen under Wade Hampton and Rooney Lee.