U.S. Army Corps of Engineers, Savannah District’s Mike Wielputz and U.S. Army Engineer Research and Development Center’s Chad Gartrell provide training on concrete standards and necessary certifications to contractors in Powidz, Poland working on munitions storage area construction efforts June 24, 2022. The U.S. Army Corps of Engineers, Europe District construction involves building more than 50 bunkers, using roughly 17,500 cubic meters of concrete and the training is part of ensuring the project and its on-site concrete laboratory meets all required standards. (U.S. Army photo by Ed Argueta)