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Staff Sgt. Randolph Shandler, 341st Civil Engineer Squadron explosive ordnance disposal team leader, left, stands by as Tech. Sgt. Paul Willson, 341st CES EOD NCO in charge of quality assurance, center left, and Capt. Daniel Blomberg, 341st CES EOD flight commander, inspect a 3-D printed mortar after a render safe training procedure was conducted Nov. 21, 2016, at Malmstrom Air Force Base, Mont. The EOD team is now using a 3-D printer to produce training aids that allow for realistic training without having to preserve them for future training. The training aids can now be made at a low cost, allowing more practical training and saving the unit hundreds to thousands of dollars each year. (U.S. Air Force photo/Airman 1st Class Daniel Brosam)