Staff Sgt. Diana Guinn (center) puts on an explosive ordnance disposal bomb suit with assistance from Staff Sgt. Molly Callen (left) and Staff Sgt. Nicole Nellist during a training exercise March 15. The sergeants are EOD technicians with the 802nd Civil Engineer Squadron. Lackland EOD is responsible for responding to explosives-related emergency calls in the southern half of Texas. (U.S. Air Force photo/Robbin Cresswell)

Staff Sgt. Molly Callen prepares an explosive ordnance disposal robot during a training exercise March 15. Robots allow EOD technicians to quickly eliminate potential hazards from an improvised explosive device without exposing EOD technicians to more threat than necessary. Sergeant Callen is an EOD technician with the 802nd Civil Engineer Squadron. (U.S. Air Force photo/Robbin Cresswell)

Staff Sgt. Molly Callen prepares an explosive ordnance disposal robot during a training exercise March 15. Robots allow EOD technicians to quickly eliminate potential hazards from an improvised explosive device without exposing EOD technicians to more threat than necessary. Sergeant Callen is an EOD technician with the 802nd Civil Engineer Squadron. (U.S. Air Force photo/Robbin Cresswell)