 Long was wounded in the left side at the Battle of Farmington, Tennessee, October 7, 1863.He was distinguished in the Atlanta Campaign where he suffered a head wound at the Battle of Jonesboro, Georgia, August 20, 1864 and wounds in the right arm and right thigh at the Battle of Lovejoy's Station, Georgia, August 21, 1864.Long received brevet grade appointments as major, lieutenant colonel, and colonel in the Regular Army of the United States for "gallant and meritorious services" at the Battle of Farmington and Battle of Fort Sanders (Knoxville) in Tennessee and Battle of Lovejoy's Station in Georgia, respectively.