Army Staff Sgt. David Calderon qualifies with his personal weapon immediately after completing a grueling 10-mile road march during the 2015 Best Warrior and Drill Sergeant of the Year Competition on Fort Huachuca, AZ., March 26, 2015. Calderon is assigned to the 98th Training Division. Army Staff Sgt. David Calderon qualifies with his personal weapon immediately after completing a grueling 10-mile road march during the 2015 Best Warrior and Drill Sergeant of the Year Competition on Fort Huachuca, AZ., March 26, 2015. Calderon is assigned to the 98th Training Division. SHARE: Download: Full Size (2.17 MB) Tags: Photo Essays Credit: VIRIN: 870653-A-EJE97-527.jpg Photo Gallery