The IX Corps was a potential source of embarrassment or friction within the army because it was Burnside's old corps, so it was detached as a separate organization and sent to the Virginia Peninsula under the command of Brig. Gen. William F.
IX Korps var en potentiel kilde til forlegenhed eller gnidning i hæren, fordi det var Burnsides gamle korps, så det blev udskilt og sendt til Virginiahalvøen under kommando af brigadegeneral William F.