Deter. Prevent. Prevail.

DEFENSE THREAT REDUCTION AGENCY

Industry Day

April 12, 2023

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UNCLASSIFIED

On-Site Inspection 

and Building 

Capacity Directorate
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OB Directorate Overview

Our mission is to reduce the WMD threat and enhance security 

transparency by conducting arms-control treaty monitoring and onsite inspections activities and conducting building partnership 

capacity (BPC) activities to provide expertise and support on WMD 

and nonproliferation matters to DoD, US Government agencies, and 

key foreign and domestic partners.
• On-Site Inspection 

and 

Building Capacity 

Directorate 

• (OB)

• Building 

Partner 

Capacity 

Department

• (OB-BP)

• Chemical 

Weapons 

Treaty 

Department

• (OB-CW)

• Conventional 

Inspection 

Department – 

Europe

• (OB-EU)

• Interagency 

Liaison and 

Treaty Support 

Department 

• (OB-IS)

• Strategic/

Nuclear 

Inspection 

Department

• (OB-SR)

Authorization Total

 Military: 243

Civilian: 125

 Contractor: 67.5

3

OB Directorate Organization
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(U) Global Engagement 

CWMD Partner Capacity Building Engagements

Arms Control Engagements

Travis AFB, CA

Blue Grass, KY

Ft Belvoir, VA

3 290

Dulles, VA

Permanent Presence

3 10 9 6

23

28

6

Yokota AB, JA

Monterey, CA

Pueblo, CO

4

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Ulan-Ude, RU

Vienna, AT

Kaiserslautern, DE

1

Brussels, BE

65

Responsive Presence

*Authorizations do not include contractors or reservists)
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OB Directorate Efforts – Arms Control

• Fulfill Arms Control Obligations and Execute Treaty Rights

• New Strategic Arms Reduction Treaty (New START)

• Treaty on Conventional Armed Forces in Europe (CFE)

• Vienna Document 2011/Dayton Peace Accords (Dayton Agreement)

• Chemical Weapon Destruction Monitoring (Pueblo, CO / Blue Grass, KY)
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Arms Control Programs - Industry Requirements

• Arms Control Enterprise System (ACES) operations & sustainment

• Mission Support for Chemical Weapons Inspections and Destruction 

Monitoring at Pueblo & Blue Grass

• Interpreter Support
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OB Directorate Efforts – Building Partner Capacity

• Build Partners’ Counter WMD Capacity, Capability, and Political Will

• CWMD Security Cooperation Engagement Program (CSCEP)

• International Counterproliferation Program (ICP)

• Proliferation Security Initiative (PSI)
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BPC Programs - Industry Requirements

• SME support for CWMD programs – including CBRNE handling, 

identification, hazard modeling/decision support, emergency 

response/consequence management/preparedness support, 

national/interagency coordination, security cooperation, countersmuggling, law enforcement

• A&AS support services for program analysis, planning, and management 

support

• Performance support for program execution/training
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OB Directorate Future Requirements

• Steady-state requirements for arms control support and 

continually increasing demand for building partner capacity 

across the continuum of CWMD operations, drives an increased 

need for highly skilled A&AS and performer support:

• Technical, operational, strategic

• CBRNE, CWMD, CWMD-T, C-iWMD 

• Interagency / international coordination

• Security cooperation

• Information technology 

• Project / program management
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Questions?