The National Nuclear Security Administration (NNSA) failed to follow federal best practices for acquisitions prior to ordering its $600 million El Capitan high-performance computing system, a congressional watchdog said in a report this week. The Government Accountability Office (GAO) urged NNSA to ...

A National Academies panel said Monday that monitoring, detection and verification of nuclear weapons and fissile material should be a higher national security priority and more coordination on the issue is needed across federal offices. That is the crux of an interim report from the National ...