He took an interest in frontline combat during the First Battle of Bull Run on July 21, 1861, thanks in part to his relationship with a few key commanders who helped his career as a soldier and due to his ability as a profoundly powerful mounted force administrator (Civil). Custer was made a brigadier general at age 23, proving his general sagger was matched by his bravery and frontline leadership at the Battle of Gettysburg where he directed ranger charges that kept Confederate mounted forces from assaulting the Union’s flank in the help of Pickett's Charge (Civil). He was injured in the Battle of Culpeper Court House in Virginia on September 13, 1863. In 1864, Custer was granted another star and brevetted to signify general rank (Meade’s). At the finish of the Appomattox Campaign, in which he and his troops assumed a concluding part, Custer was on duty at General Robert E. Lee's surrender to General Ulysses S. Grant, on April 9, 1865