An Army RG-31 mine-resistant, ambush-protected vehicle showcases new slat armor developed by Army scientists for protection against rocket-propelled grenades at the Army Tank Automotive Research, Development and Engineering Center at Detroit Arsenal in Warren, Mich., Jan. 12, 2012. An Army RG-31 mine-resistant, ambush-protected vehicle showcases new slat armor developed by Army scientists for protection against rocket-propelled grenades at the Army Tank Automotive Research, Development and Engineering Center at Detroit Arsenal in Warren, Mich., Jan. 12, 2012. SHARE: Download: Full Size (1.45 MB) Tags: Photo Essays Credit: VIRIN: 780600-E-MKD46-300.jpg Photo Gallery