Army Reserve drill sergeant candidate, Staff Sgt. Margaret Diacheysn, C. Company 2/413 Regiment, 95th Training Division (IET) conquers Victory Tower during week two of her training at the U.S. Army Drill Sergeant Academy. Diacheysn, who works as a registered nurse, decided to make the leap to become a drill sergeant after serving a combined 22 years in the active component Army and Army Reserve.