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Our team offers security and defense assistance policy, program, and project professional and technical support to the US and other donor Government sponsors, implementing stakeholders, foreign assistance coordinators and recipients.


The Critical Mass is the chosen implementing partner for projects across the globe on behalf of the US Government and partner nation senior officials


The Critical Mass is proud to support several US Government, partner nation governments, universities, non-profits, and security practitioners.



The Critical Mass (TCM), LLC is an established Service-Disabled Veteran-Owned Small Business (SDVOSB) and Woman-Owned (WOSB) based in Alexandria, Virginia. We are an international security Do and Think tank and implement results-focused projects and sustainable security solutions by championing diverse expertise and innovation.  TCM is a trusted advisor and partner to sponsors and allies, and a builder of an inclusive global community of security-focused professionals.​


Current service areas include: CBRNE Security & Counterproliferation; Remediation Services; Cybersecurity; Integrated Program Design & Management; Quality Framework; Monitoring, Evaluation & Learning.

  • We support a number of important initiatives with the US Department of State and other international partners. Key recent projects include: Support and training for the Ukrainian scientific community in Ukraine, Poland, and Central Europe; Dual-use goods and border security initiatives in Iraq and Panama; WMD crime scene and evidence investigation in Morocco; Identifying and mitigating Russian public health disinformation in Georgia, Ukraine, and Kazakhstan; Countering cyberbullying and strengthening media literacy in Georgia; Aviation security and chemical response initiatives in Kurdistan.

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U.S. Department of Defense

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Defense Threat Reduction Agency (DTRA)

Cooperative Threat Reduction (CTR) Directorate

  • Biological Threat Reduction Program (BTRP)

  • Proliferation Prevention Program (PPP)

  • Global Nuclear Security (GNS)

  • Chemical Security and Elimination (CSE)