Cika wannan jumla: Raunin da ya sami Hancock ya sa ya yi watanni da yawa ba ya aiki. An sanya William Hays a matsayin kwamandan rundunar nan da nan bayan yakin Gettysburg, yana riƙe da umurnin har zuwa Agusta 12, lokacin da Major General Gouverneur K. Warren ya sauya shi. Warren ya bambanta kansa a Gettysburg ta hanyar fahimtar halin da ake ciki a Little Round Top, da kuma ta hanyar da ya dace da shi. Ya kuma yi suna mai ban mamaki a cikin V Corps, kuma a matsayin babban jami'in topographical na Army of the Potomac. Daga bisani, ya kasance a cikin umurnin a yakin Bristoe Station, wani lamari na II Corps, kuma wanda ya kasance sananne ga dash da jami'ai da maza suka yi yaƙi, tare da ƙwarewar da Warren kansa ya nuna. Ya kuma yi umurni a
Yaƙin Mine Run da Morton's Ford, ƙungiyoyi a wannan lokacin suna ƙarƙashin Janar Caldwell, Alexander S. Webb da Alexander Hays.