113th MI Group Chicago Field Office

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Branch

U.S. Air Force

Members

About 113th MI Group Chicago Field Office

The 113th Military Intelligence (MI) Group, with its Chicago Field Office, was an integral element of the U.S. Army’s domestic counterintelligence and security operations during the Cold War era. Activated in the late 1950s, the Group was tasked with conducting investigations, surveillance, and liaison activities to detect and neutralize espionage, subversion, and other threats within its area of responsibility, which included the Chicago metropolitan region. The field office worked closely with local law enforcement and federal agencies, particularly during periods of heightened domestic unrest in the 1960s and 1970s. The 113th MI Group, along with its field offices, was ultimately inactivated in 1977 as part of a broader reorganization and reduction of Army intelligence activities within the United States.

Unit Members

Gary Whitehead

U.S. Army

113th MI Group Chicago Field OfficeView Profile

Francis Nelson

U.S. Army

113th MI Group Chicago Field OfficeView Profile

Photos

Osan Korea Electronic Warfare Technician

51 Component Repair Squadron • U.S. Air Force • 1979

Boeing 767 Captain

U.S. Air Force • 2017

Towing Gliders

U.S. Air Force • 2000

C-141 Flight Engineer Graduation

708 Military Airlift Squadron • U.S. Air Force • 1982

About 113th MI Group Chicago Field Office

About this Unit

Historical Facts

• Origins in the Cold War: The 113th Military Intelligence Group was activated in 1966 at Fort George G. Meade, Maryland, with the Chicago Field Office serving as a key regional outpost in the Midwest for intelligence operations. • Counterintelligence Mission: The Chicago Field Office focused on counterintelligence, conducting investigations into espionage, sabotage, and subversive activities targeting Army facilities and personnel in the region. • Vietnam War Era Activities: During the Vietnam War, the office played a role in monitoring anti-war groups and protests in Chicago, gathering intelligence on potential threats to military operations and security. • Operation CHAOS Collaboration: The office reportedly shared information with federal agencies during Operation CHAOS, a CIA program aimed at monitoring domestic dissent with possible foreign influence. • 1970s Congressional Investigations: The activities of the 113th MI Group, including those of the Chicago Field Office, came under scrutiny during the 1970s Church Committee hearings investigating domestic surveillance by military intelligence. • Notable Cases: The Chicago Field Office was involved in investigating security breaches at major installations, including incidents at Fort Sheridan and O’Hare Air Reserve Station. • Support to Law Enforcement: The field office often coordinated with the FBI and local police to address threats against military personnel and property in the Chicago area. • Deactivation in 1977: The 113th MI Group was officially inactivated in 1977 following policy changes limiting domestic intelligence operations by the Army, leading to the closure of the Chicago Field Office. • Legacy and Records: Declassified documents from the National Archives and FOIA requests have revealed the breadth and scope of the office’s intelligence activities in the Midwest during its operation. • Commemoration: Former members and historians have highlighted the Chicago Field Office’s role in Cold War military history, contributing to research on intelligence oversight and civil liberties.