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.

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 [December 17, 2019] (UCNI)

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

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

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

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

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

Results of Limited-Notice Performance Tests at the Nevada National Security Site Conducted on May 19-20, 2015 [July 6, 2015] (UCNI)

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

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

(U) Independent Oversight Safeguards and Security Inspection at the Nevada National Security Site, October 31, 2013 (Classified)

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

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

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 (OUO)

(U) Independent Oversight Management Summary 

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 (Classified)

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

(U) Safeguards and Security Inspection of the Nevada Site Office and Nevada Test Site, October 11, 2005, (Classified)

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

(U) Independent Oversight Safeguards and Security Inspection of the Nevada Test Site, September 2004 (Classified)

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

Nevada Field Office