A convoy of U.S. vehicles evades a simulated improvised explosive device, or roadside bomb, during a combined arms live-fire training exercise in Laghman province, Afghanistan, May 13, 2015. A convoy of U.S. vehicles evades a simulated improvised explosive device, or roadside bomb, during a combined arms live-fire training exercise in Laghman province, Afghanistan, May 13, 2015. SHARE: Download: Full Size (2.36 MB) Tags: photo essays Credit: VIRIN: 784449-V-QRG59-402.jpg Photo Gallery