Let's see if they notice this
Senior Master Sgt. Ed Smith, 115th Fighter Wing Explosive Ordinance Disposal Flight, lays a simulated pressure plate detonation device in the road during convoy training at Volk Field CRTC, Wis., June 12, 2010. Sgt. Smith assisted in leading the 115FW Civil Engineering Squadron during annual training.(U.S. Air Force photo by Staff Sgt. Christen Bloomfield)