The Mine Run Campaign, fought between November 7 and December 2, 1863, during the(1861–1865), was another unsuccessful attempt by Union general , after the Battle of Bristoe Station, to capitalize on the Union victory at the previous July. United States president Abraham Lincoln and general-in-chief Henry W. Halleck both were concerned that Meade had not been aggressive enough after pushing Confederate general out of Pennsylvania, and urged him to confront the . Bristoe Station, while a nominal victory for the , did not result in any real advantage. At the price of even greater casualties for both sides, Mine Run purchased the same result. Meade declined an opportunity for an all-out assault, fearing another (1862). Lee, meanwhile, was frustrated to be on the defensive and fretted that his commanders , , and (temporarily) were not serving him as well as they might.