 Complete the following phrase:   Transported with his regiment to Camp Jones near Washington, D.C. in August 1861, Young and his fellow 1st Pennsylvania Cavalrymen were assigned to defensive duties there. Attached with his regiment to the Unions Army of the Potomac through April 1862 McCalls Division through March and McDowells I Corps through April, he and his regiments first major engagement came in the Expedition to Dranesville beginning in late November 1861. He was then stationed with the 1st Pennsylvania Cavalry at Camp Pierpont through March 1862. Participating with his regiment in the Advance on Manassas from March 10 to 15, he then engaged in McDowells operations in and around Falmouth from April 9 to 19 of that year. Reassigned with his regiment to Bayards Cavalry Brigade, which was attached to the Department of the Rappahannock until June 1862, the Army of Virginias III Corps to September 1862 and the Army of the Potomac to June 1863, he fought with his regiment in the battles of 