DETECTING EXPLOSIVES U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, drives a robot used to detect and destroy roadside bombs during a visit to Exercise Mojave Viper, Marine Corps Air Ground Combat Center, Twentynine Palms, Calif., June 17, 2008. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 869020-A-LBV93-608.jpg Photo Gallery