At Spotsylvania Court House, his division incorporated shock tactics developed by Col. Emory Upton to quickly assault the rebel entrenchments in the "Mule Shoe", effecting a breakthrough that could be exploited by reinforcements.
I slaget ved Spotsylvania Court House anvendte hans division en choktaktik som var udviklet af oberst Emory Upton til hurtigt at angribe rebellernes stilling i "Mule Shoe", og lavede et gennembrud som kunne udnyttes af forstærkninger.