‘Pass-fail’ grades declared off-limits, which the Pentagon says is to prevent adversaries from learning too much about nuclear weapons vulnerabilities
The Pentagon has thrown a cloak of secrecy over assessments of the safety and security of its nuclear weapons operations, a part of the military with a history of periodic inspection failures and bouts of low morale.
Overall results of routine inspections at nuclear weapons bases, such as a “pass-fail” grade, had previously been publicly available. They are now off-limits. The change goes beyond the standard practice of withholding detailed information on the inspections.
Link : US nuclear base inspection results made secret to conceal failures, critics claim