GB

UNITED KINGDOM

Intel Environment

Military Alliance
Interior Intelligence Services
Exterior Intelligence Services	[Government Communications Headquarters (GCHQ)]
Military Intelligence Services
SIGINT/COMINT Alliances

Telco/Carrier/ISP Environment

Type

Name

Ownership

Main Office

URL

Notes

Transnational Cables and Connections

Type

Name

Ownership

Connecting Operator Point A

Connection Operator Point B

URL/Notes

SIGINT/COMINT Stations and Operators

Name	Location	Operator	Status	Capabilities
Menwith Hill (ECHELON)	Menwith Hill, Harrogate	UK/USA (RSOC)	Intelsat Europe till West-Asia	Active
	Belfast (Victoria Square)	GCHQ operated "accommodation site" that provides occasional SIGINT product to the US INSCOM	Active
	Brora, Scotland	GCHQ operated "accommodation site" that provides occasional SIGINT product to the US INSCOM	Active
GCHQ	Cheltenham (Government Communications Headquarters)	NSA liaison is present.	Active
	Chicksands	GCHQ operated "accommodation site" that provides occasional SIGINT product to the US INSCOM	Active
	Culm Head	GCHQ operated "accommodation site" that provides occasional SIGINT product to the US INSCOM	Active
	Digby	GCHQ operated "accommodation site" that provides occasional SIGINT product to the US INSCOM	Active
	Hawklaw, Scotland	GCHQ operated "accommodation site" that provides occasional SIGINT product to the US INSCOM	Active
	Irton Moor	GCHQ operated "accommodation site" that provides occasional SIGINT product to the US INSCOM	Active
	Molesworth	UK/USA	Active
	Morwenstow	UK/USA	Active
	Westminster, London	GCHQ operated "accommodation site" that provides occasional SIGINT product to the US INSCOM	Active
	(Palmer Street)	?
	Yemen	?
	Socotra Island		(planned)