Training for the Army Combat Fitness Test can be done using items from around the house. Watch as MAJ Tim McDonald shares his home workout tips, and learn more about Army fitness at https://go.usa.gov/xdQxp. | GoArmy

Before they train Army recruits at basic training, drill sergeants must graduate from the nine-week United States Army Drill Sergeant Academy. Insider spent a week at Fort Jackson in Columbia, South Carolina, to see what it takes to become a drill sergeant. The Drill Sergeant Academy has adopted a new strategy where the old days of breaking down recruits with yelling and push-ups have been replaced with a more collaborative and respectful tone. Drill sergeant candidates are taught how to effecti