Nevada National Security Sites

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Nevada National Security Site’s (NNSS) current mission includes support for the NNSA stockpile stewardship program, which includes performing subcritical experiments in support of nuclear weapons and storing special nuclear materials. Other activities include environmental management, national security response, and defense and civil technologies.

Enforcement

Safety Oversight Reports

Security and Cybersecurity Oversight Reports

Independent Limited-notice Performance Test Assessment of Safeguards and Security at the Nevada National Security Sites, April 8, 2024

Independent Multi-Topic Assessment of Safeguards and Security at the Nevada National Security Site, June 8, 2022

Independent Limited-Notice Performance Test Assessment of Safeguards and Security at Neveada National Security Site, November 8, 2021

Safeguards and Security Follow-Up Assessment at the Nevada National Security Site, July 31, 2020

Results of Office of Safeguards and Security Assessments Limited-Notice Performance Tests at the Nevada National Security Site, November 19-21, 2019

Safeguards and Security Assessment at the Nevada National Security Site, April 1, 2019

Results of a Preliminary Review of the National Nuclear Security Administration’s Savannah River Site Tritium Facility, April 2, 2019

Results of Limited-Notice Performance Tests at the Nevada National Security Site, Conducted on May 16-17, 2017 [May 31, 2017]

Independent Assessment of the Centerra Group, LLC Unclassified Cyber Security Program at the Nevada National Security Site, July 2016

Independent Assessment of the National Security Technologies, LLC Cyber Security Programs at the Nevada National Security Site, June 2016

Results of Limited-Notice Performance Tests at the Nevada National Security Site Conducted on May 19-20, 2015

Results of Limited-Notice Performance Tests at the Nevada National Security Site Conducted on August 5-6, 2014, October 2014

Inspection of Classified Matter Protection and Control at the Nevada National Security Site, August 2014

Independent Oversight Safeguards and Security Inspection at the Nevada National Security Site, October 31, 2013

Independent Oversight Status Review of the Unclassified and Classified Cyber Security Programs at the Nevada National Security Site – February 2013

Independent Oversight Security Inspection of the Nevada National Security Site Protection Program Planning and Operations, April 13, 2012

Independent Oversight Inspection of the G4S-Government Services, Inc. (Wackenhut Services, Inc.-Nevada Team) Unclassified Cyber Security Program at the Nevada National Security Site – January 2012

Report of the Zero Based Security Review/Graded Security Protection Assistance Visits and Proposed Protection Program Modifications at the Nevada Test Site, April 22, 2010

Independent Oversight Inspection of Safeguards and Security at the Nevada Site Office and the Nevada Test Site, January 2008

Safeguards and Security Inspection of the Nevada Site Office and Nevada Test Site, October 11, 2005

Independent Oversight Safeguards and Security and Emergency Management Inspection of the Nevada Test Site, Summary Report, September 2004

Independent Oversight Safeguards and Security Inspection of the Nevada Test Site, September 2004

Independent Safeguards and Security Program Review of the Nevada Operations Office and the Nevada Test Site, May 18, 2000