A simulated roadside bomb detonates as the Humvee Spc. Richard Hass, combat engineer, 454th Engineer Company, 111th Engineer Battalion, Texas Army National Guard, mans passes by its trigger point at Camp Bowie in Brownwood, Texas, June 17, 2013. Imitation roadside bombs and similar devices were planted along designated convoy trails at Camp Bowie by the Counter Improvised Explosive Device Integration Cell to create a realistic training scenario in which the mission focused around safely executing a key leader exchange. (National Guard photo by Laura L. Lopez/Released)