Staff Sgt. Joshua K. Crabtree, explosive ordnance disposal technician, 3rd EOD, 9th Engineer Support Battalion, performs a sweep with a metal detector during a post-blast analysis training scenario at Emerson Lake training area, Sept. 19, 2015. While aboard the Combat Center, EOD technicians received experience in working with a wider variety of ordnance than is usually available to the unit. - Staff Sgt. Joshua K. Crabtree, explosive ordnance disposal technician, 3rd EOD, 9th Engineer Support Battalion, performs a sweep with a metal detector during a post-blast analysis training scenario at Emerson Lake training area, Sept. 19, 2015. While aboard the Combat Center, EOD technicians received experience in working with a wider variety of ordnance than is usually available to the unit.