
Canadian Forces Station Leitrim, also referred to as CFS Leitrim, is a
Canadian Forces Station located in the neighbourhood of
Leitrim in
Ottawa
Ottawa is the capital city of Canada. It is located in the southern Ontario, southern portion of the province of Ontario, at the confluence of the Ottawa River and the Rideau River. Ottawa borders Gatineau, Gatineau, Quebec, and forms the cor ...
,
Ontario
Ontario is the southernmost Provinces and territories of Canada, province of Canada. Located in Central Canada, Ontario is the Population of Canada by province and territory, country's most populous province. As of the 2021 Canadian census, it ...
. It is concerned with the interception, decrypting and processing of communication for the
Communications Security Establishment
The Communications Security Establishment (CSE; , ''CST''), formerly (from 2008-2014) called the Communications Security Establishment Canada (CSEC), is the Government of Canada's national cryptologic agency. It is responsible for foreign signal ...
and the
Canadian Forces
The Canadian Armed Forces (CAF; , FAC) are the unified Military, military forces of Canada, including sea, land, and air commands referred to as the Royal Canadian Navy, Canadian Army and the Royal Canadian Air Force. Under the ''National Defenc ...
, and forms part of the
ECHELON
Echelon may refer to:
* A level formation
** A level or rank in an organization, profession, or society
** A military sub-subunit smaller than a company but larger than a platoon
** Echelon formation, a step-like arrangement of units
* ECHELO ...
system.
The station's motto ''Pacem Petere'' means ''Research For Peace''.
History
CFS Leitrim, located south of Ottawa, is
Canada
Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
's oldest operational
signal intelligence
Signals intelligence (SIGINT) is the act and field of intelligence-gathering by interception of ''signals'', whether communications between people (communications intelligence—abbreviated to COMINT) or from electronic signals not directly u ...
collection station. Established by the
Royal Canadian Corps of Signals in 1941 as I Special Wireless Station and renamed Ottawa Wireless Station in 1949, CFS Leitrim acquired its current name when the Supplementary Radio System was created in 1966. In 1946, the station's complement was 75 personnel. The current strength is 975 military personnel and 50+ civilian employees.
To enhance security, Leitrim road, which passed directly in front of the station, was diverted roughly 300m to the south of the station in 2013.
See also
*
CFS Alert,
Nunavut
Nunavut is the largest and northernmost Provinces and territories of Canada#Territories, territory of Canada. It was separated officially from the Northwest Territories on April 1, 1999, via the ''Nunavut Act'' and the Nunavut Land Claims Agr ...
*
CFB Gander,
Newfoundland and Labrador
Newfoundland and Labrador is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region of Labrador, having a total size of . As of 2025 the populatio ...
-
Wullenweber AN/FRD-10 circularly disposed antenna array for
High-frequency direction finding
High-frequency direction finding, usually known by its abbreviation HF/DF or nickname huff-duff, is a type of radio direction finder (RDF) introduced in World War II. High frequency (HF) refers to a radio band that can effectively communicate ove ...
*
CFS Leitrim Detachment Masset,
British Columbia
British Columbia is the westernmost Provinces and territories of Canada, province of Canada. Situated in the Pacific Northwest between the Pacific Ocean and the Rocky Mountains, the province has a diverse geography, with rugged landscapes that ...
(formerly CFS Masset)
*
List of cyber warfare forces
Many countries around the world maintain military units that are specifically trained to operate in a cyberwarfare environment. In several cases these units act also as the national computer emergency response team for civilian cybersecurity thre ...
References
External links
BadgeOfficial DND websiteAerial view of Pusher HFDF array
{{DEFAULTSORT:CFS Leitrim
Leitrim
Leitrim
Leitrim
Buildings and structures in Ottawa