Jackson's Valley Campaign
The 10th Virginia served under Stonewall Jackson in Jackson's Valley Campaign. At the First Battle of Winchester on May 25, 1862, Warren took his regiment to Brig. Gen. Richard Taylor's left flank to support his attack on the Union left. He was serving at the time under Col. Samuel V. Fulkerson in the absence of ailing Brig. Gen. William B. Taliaferro. Under Taliaferro's command, Warren's regiment also helped stop Col. Samuel S. Carroll's raid on Port Republic before the Battle of Port Republic on June 9, 1862.