Army Staff Sgt. Michael Aldrich scans the ground with a metal detector in search of possible explosives during chemical, biological, radiological, nuclear, and explosive scenario training as part of Patriot Warrior at Fort McCoy, Wis., June 16, 2015. Aldrich is assigned to the 46th Chemical Company. Army Staff Sgt. Michael Aldrich scans the ground with a metal detector in search of possible explosives during chemical, biological, radiological, nuclear, and explosive scenario training as part of Patriot Warrior at Fort McCoy, Wis., June 16, 2015. Aldrich is assigned to the 46th Chemical Company. SHARE: Download: Full Size (1.8 MB) Tags: Photo Essays Credit: VIRIN: 488451-H-MLI98-644.jpg Photo Gallery