 Wheaton akaramba achitungamirira brigade panguva yeLt. Gen. Ulysses S. Grants Overland Campaign muna 1864, uyewo panguva yeKukombwa kwePetersburg kwakatevera. Varume vake vakakurumidza kuendeswa nechitima kuWashington, D.C., munguva yakakodzera kuti vabatsire kudzivisa Jubal Early paakapinda muguta guru. Munguva yezviitiko zvakazotevera muShenandoah Valley, pasi paMajor General Philip Sheridan, Wheaton akasimudzirwa kuve mutungamiri wedhipatimendi rekutanga mushure mekunge Brig. Gen. David Allen Russell aurayiwa muhondo yechitatu yeWinchester. Boka rake rakarwa zvakanaka muhondo dzakazotevera. Muhondo yeSailors Creek Virginia, musi waApril 6, 1865, divi rake rakabata Confederate Major General George Washington Custis Lee, mwanakomana waRobert E. Lee. Mushure mokudzoka kweVI Corps kuPetersburg mberi, Wheaton akawana chinzvimbo chepamusoro chemukuru mukuru muuto rekuzvipira uye akave mukuru mukuru muhurumende. 