The Office of Secure Transportation (OST) provides safe and secure transportation of nuclear weapons and components and special nuclear materials, and conducts other missions supporting the national security of the United States.
Enforcement
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Nuclear safety deficiencies that occurred between 2019 and 2022 revealed multiple violations of DOE nuclear safety requirements by Mid-America Conversion Services, LLC at Portsmouth Paducah Project Office.January 20, 2026 -
Electrical Shock Event at the Brookhaven National LaboratoryJanuary 16, 2026 -
Unauthorized access of a high radiation area at the Lawrence Livermore National Laboratory.December 19, 2025
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Thumb Amputation at Savannah River SiteNovember 21, 2025
Safety Oversight Reports
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Independent Assessment of Work Planning and Control at the Strategic Petroleum Reserve Bayou Choctaw SiteFebruary 5, 2026 -
Independent Assessment of the Idaho National Laboratory Emergency Management 2025 Annual ExerciseJanuary 20, 2026 -
Independent Assessment of Training and Qualification Programs for Nuclear Facility Personnel at the Hanford SiteJanuary 20, 2026 -
Independent Assessment of the 2025 Full-scale Emergency Management Exercise at the Savannah River SiteJanuary 20, 2026
Security and Cybersecurity Oversight Reports
Independent Multi-topic Assessment of Security at the Office of Secure Transportation Agent Operations Central Command, January 18, 2024
Office of Enterprise Assessments Security Assessment at the Office of Secure Transportation Headquarters and Agent Operations Western Command, June 21, 2018
Results of Limited-Notice Performance Tests at the Office of Secure Transportation Aviation Operations Division, Conducted on July 17-20, 2017
(U) Office of Enterprise Assessments Focused Assessment of the Office of Secure Transportation's Issues Management Process, May 19-24, 2016
Results of Limited-Notice-Performance Tests at Office of Secure Transportation Headquarters, Conducted on December 15-16, 2015
Office of Enterprise Assessments Security Inspection at the National Nuclear Security Administration’s, Office of Secure Transportation’s, Agent Operations Eastern Command, December 7, 2015
Independent Review of the Cyber Security Program at the Office of Secure Transportation, June 2015
Results of Limited-Notice Performance Tests at the Office of Secure Transportation Eastern Command Conducted June 2-5, 2014, August 2014
Independent Oversight Safeguards and Security Inspection at the Office of Secure Transportation, December 4, 2013
Independent Oversight Inspection of the Office of Secure Transportation Classified Cyber Security Program – April 2012
Inspection of Selected Office of Secure Transportation Protection Program Elements and Western Command Federal Agent Capabilities, December 30, 2011
Independent Oversight Inspection of the Office of Secure Transportation, August 14, 2009
Independent Oversight Security Inspection of the Office of Secure Transportation, January 17, 2006