 Complete the following phrase:   The men of the newly reorganized 157th Pennsylvania were then transported to Washington, D.C., attached to Tylers Division, 22nd Corps in February 1863, and assigned to defensive duties of the city. On May 29, 1864, the battalion was reassigned to the 2nd Brigade, 4th Division, 5th Army Corps of the Army of the Potomac, and ordered out on operations between North Anna and Cold Harbor, Virginia. Engaged in the battles of Bethesda Church June 13 and Cold Harbor June 112, the 157th Pennsylvania then participated in the Siege of Petersburg, including the Battle of the Crater July 30. Attached to the 3rd Brigade, 2nd Division, 5th Army Corps beginning in August 1864, the 157th Pennsylvanians were then assigned to operations along the Weldon Railroad August 1821 before engaging in the fighting at Poplar Springs Church September 30October 2, Yellow House October 2, and 