Airman 1st Class Drake Anderson, 28th Maintenance Squadron metals technician, grinds an egress seat fixture in the Metals Shop at Ellsworth Air Force Base, S.D., March 25, 2014. Metals technology technicians are part of the 28th MXS that is responsible for all off-equipment maintenance and heavy repairs, maintaining more than 660 pieces of aerospace ground equipment and supporting 27 B-1 bombers assigned to the 28th Bomb Wing. (U.S. Air Force photo by Airman 1st Class Rebecca Imwalle/Released)