Since his plans for an early-morning coordinated attack were now infeasible, Lee instead ordered Longstreet to coordinate a massive assault on the center of the Union line, employing the division of George Pickett and brigades from A.P. Hill's corps. Longstreet knew this assault had little chance of success. The Union Army was in a position reminiscent of the one Longstreet had taken at Fredericksburg to defeat Burnside's assault. The Confederates would have to cover almost a mile of open ground and spend time negotiating sturdy fences under fire. The lessons of Fredericksburg and Malvern Hill were lost to Lee on this day. In his memoirs, Longstreet claims to have told Lee that he believed the attack on the Union center would fail: