Sgt. 1st Class James Greenleaf is currently a drill sergeant at Fort Sill Army Post just outside of Lawton.
Sgt. Greenleaf has been a member of the U.S. Army for 13 years, before becoming a drill sergeant in 2023.
Greenleaf spoke on the process it took for him to become a drill sergeant, saying, “I had to go through Drill Sergeant School, which was essentially doing basic training again with the add…