In June 2014, a worker at the Y-12 National Security Complex in Tennessee was surprised to find U.S. nuclear secrets inside a trash bag marked for disposal along with standard rubbish. Taking a closer look, the worker found 19 more documents in the bag that were either marked classified or were later determined to contain information that should have been labeled secret. A dozen more bags of trash sat nearby, awaiting transport to an open landfill where Y-12 workers routinely dump garbage with no bearing on national security. When employees of Babcock & Wilcox Technical Services, Y-12, LLC, the contractor...