Gregory B. Jaczko is a physicist who is the 13th and former chairman of the U.S. Nuclear Regulatory Commission from 2009 to 2012. While at the NRC, he voted against the opening of new nuclear plants;
The Fort Calhoun Nuclear Generating Station is a shut-down nuclear power plant located on 660 acres between Fort Calhoun, and Blair, Nebraska adjacent to the Missouri River between mile markers 645.6
Fort Calhoun plant, seen from U.S. Highway 75
Fort Calhoun plant on June 16, 2011 during the 2011 Missouri River Floods; vital buildings were protected using water-filled perimeter "flood berms"