Army Counterintelligence Office

It is the mission of United States Army Counterintelligence (ACI) to detect, identify, counter, neutralize, and exploit Foreign Intelligence Services and International Terrorist Organizations targeting U.S. Army personnel and equities.

ACI is one of only three DoD Counterintelligence (CI) entities designated by the Office of the Under Secretary of Defense for Intelligence and Security, as a "Military Department CI Organization" or "MDCO." The other two DoD MDCO's are the United States Air Force Office of Special Investigations (AFOSI) and the Naval Criminal Investigative Service (NCIS). As an MDCO, Special Agents of ACI are recognized federal law enforcement officers tasked with conducting criminal CI investigations in conjunction with other CI activities.

ACI in Europe is aligned to support U.S. Army Europe and Africa; U.S. European Command; U.S. Africa Command; V Corps; 7th Army Training Command; 10th Army Air & Missile Defense Command; 19th Battlefield Coordination Detachment; 21st Theater Sustainment Command; and Southern European Task Force – Africa.

Based in Belgium, the Benelux Field Office provides coverage to Belgium, Luxembourg, The Netherlands, United Kingdom, and Northern France.

Call Us When

• Unauthorized personnel (U.S. or foreign) ask about Army or DoD force capabilities, critical information, or technologies
• You suspect unauthorized contact with foreign government, military, or intelligence personnel
• You suspect potential compromise of defense information/security violations
• You suspect unauthorized intrusions or theft of sensitive computer system data
• You suspect someone is associated with or aiding a known terrorist organization
• You observe indicators of potential terrorist-associated insider threats

Counterintelligence Services

• Assist units and leaders to protect personnel, facilities, and technologies
• Counterintelligence Awareness and Reporting (CIAR) Training (DoDD 5240.06)
• Threat Awareness Reporting Program (TARP) Training (AR 381-12)
• CI-focused local area threat briefing
• Foreign visitor & foreign travel security education
• CI threat and vulnerability assessments
• Coordination for polygraph and other technical CI services
• A safe, discreet environment in which you can confidentially report suspicious incidents to a trained, professional investigator

Being an ACI Special Agent is one of the most challenging and fulfilling careers in the military or federal government. ACI Special Agents gain broad experience and are given responsibility early on in their careers. To succeed, ACI Special Agents must have high moral standards, integrity, the courage to do what is right and respect for, and knowledge of the law.

As a condition of employment, all ACI Special Agents are required to sign a mobility agreement. This may result in one or more overseas moves and periodic assignments within the Continental United States (CONUS) and throughout an agent's career with ACI. In addition, ACI Special Agents may be required to deploy on assignments to support military forces in high-risk environments.

Become an ACI Special Agent and join the Department of Defense's premier counterintelligence agency.

View the prerequisites to become an agent and apply today.