 Complete the following phrase:  Wheaton remained in command of the brigade during Lt. Gen. Ulysses S. Grants Overland Campaign in 1864, as well as during the subsequent Siege of Petersburg. His men were hurried by train to Washington, D.C., in time to help repel Jubal Earlys raid on the capital. During the ensuing operations in the Shedoah Valley, under Maj. Gen. Philip Sheridan, Wheaton was promoted to command of the first division after Brig. Gen. David Allen Russell was killed at the 