Spc. Rey C. Puello-Mercedes, a Bronx, N.Y., native

Spc. Rey C. Puello-Mercedes, a Bronx, N.Y., native and a field artillery automated tactical data systems specialist, 1st Armored Division Artillery, 1st Armored Division, poses for a photo just after completing a continuous 96-hour operation followed by a 20-mile road march at Fort Bliss, Texas, Jan. 28, 2016. Desert Warrior, the newest squad-based leadership class in the Army, teaches soldiers how to survive and fight in a desert environment. The 17-day class is the first desert-specific Army school since the desert phase of Ranger School was discontinued in 1995. (U.S. Army photo by Staff Sgt. Marcus Fichtl, 24th Press Camp Headquarters)