Airman dies during convoy operation in Iraq Published Aug. 23, 2006 SAN ANTONIO -- An Air Force explosive ordnance disposal craftsman from Eielson Air Force Base, Alaska, died Aug. 21 when his vehicle struck an improvised explosive device. The vehicle was part of a transportation convoy en route to Taji, Iraq. Master Sgt. Brad A. Clemmons, 37, of Chillicothe, Ohio, was assigned to the 354th Civil Engineer Squadron at Eielson. He deployed to Iraq in support of Operation Iraqi Freedom. A memorial service is being planned for Aug. 24 at Eielson.