Cooperative Threat Reduction Directorate 

WHAT WE DO

The Cooperative Threat Reduction Directorate prevents the proliferation or use of weapons of mass destruction by working with partner nations to secure, eliminate, detect and interdict WMD-related systems and materials.

CTR currently includes program areas that address different aspects of threat reduction. These programs include:
 


CTR PROGRAMS AND FOCUSES

BIOLOGICAL THREAT REDUCTION PROGRAM

BIOLOGICAL THREAT REDUCTION PROGRAM
Facilitates elimination, security, detection, and surveillance of especially dangerous pathogens.

 
PROLIFERATION PREVENTION PROGRAM

PROLIFERATION PREVENTION PROGRAM
Strengthens the capability of partners to detect and interdict WMD-related trafficking across borders or through maritime jurisdictions.

 
GLOBAL NUCLEAR SECURITY

GLOBAL NUCLEAR SECURITY
Eliminates and secures nuclear weapons, related WMD capabilities, and high-threat radiological materials. Transports weapons-usable nuclear and high-threat radiological materials to safe locations for disposition.

 
CHEMICAL SECURITY AND ELIMINATION

CHEMICAL SECURITY AND ELIMINATION
Eliminates chemical weapons (CW) stockpiles and related WMD capabilities, and secures CW precursors.

 
STRATEGIC OFFENSIVE ARMS ELIMINATION

STRATEGIC OFFENSIVE ARMS ELIMINATION
Eliminates WMD delivery systems and related capabilities.


The CTR Mission


CTR Success Stories
 

Nunn-Lugar

The History of Cooperative Threat Reduction (CTR)
CTR, also known as ‘the Nunn-Lugar program,’ was devised as an emergency response to a collapsed Soviet Empire possessing 30,000 nuclear weapons, an estimated 40,000 tons of chemical weapons (CW), and a robust biological capability spread over what would rapidly evolve into 15 sovereign states spanning 12 time zones. Read more . . .