The term 'Army Off' refers to the four main ranks in the United States Army: Major (MAJ), General (GEN), Colonel (COL), and Sergeant (SGT). A Major is a commissioned officer in the Army, typically with the rank of O-4. A General is a senior commissioned officer in the Army, typically with the rank of O-7 or higher. A Colonel is a commissioned officer in the Army, typically with the rank of O-6. A Sergeant is an enlisted soldier in the Army, typically with the rank of E-5 or higher.