Having been promoted to the rank of corporal sometime earlier in his service tenure, Young re-enlisted for another tour of duty on February 4, 1864 while his regiment was stationed at Warrenton, Virginia. Next assigned to the Overland Campaign led by Union General Ulysses S. Grant, Young and his fellow 1st Pennsylvania Cavalrymen fought in the battles of Haw's Shop (May 28), Cold Harbor (May 13 to June 12) and Trevilian Station (June 11–12) before engaging in the Siege of Petersburg through March 1865, which included the battles of &lt;a href="First%20Battle%20of%20Deep%20Bottom"&gt;First Battle of Deep Bottom/Gravel Hill&lt;/a&gt; (July 27–29, 1864). It was sometime during this phase of service that Young was promoted to the rank of sergeant before being transferred to the 1st Pennsylvania Battery (on September 4, 1864).