NELLIS AIR FORCE BASE, Nev. -- Staff Sgt. David Lance, Staff Sgt. Jeremiah Grisham, and Staff Sgt. Dustin Heines, all with 99th Civil Engineer Squadron Explosive Ordinance Flight, were presented with Bronze Star Medals Sept.18, 2007. (U.S. Air Force photo/Staff Sgt. Erin Worley)