Lessons from history (NOFORN 1981)

It was during Richard M. Nixon’s first presidential visit to Paris in 1969 that White House aide John D. Ehrlichman discovered that friends sometimes spy on friends.
After retrieving his coat from a butler in the official guest house one morning, Ehrlichman discovered a small pin with a listening device clumsily stuck in the lining, apparently by French intelligence agents.   
“I gave it to the Secret Service boys, and they shrugged,” Ehrlichman recalled this week. “It was business as usual.”
A secret 1981 message from the Defense Intelligence Agency (DIA) stamped “NOFORN” - meaning not to be shown to any foreigners - gives some indication of U.S. interest in friends as well as foes.
The message instructs military attaches and other intelligence officers to report on a continuing basis on the intelligence services of Canada, Israel, West Germany, Greece and 30 other nations, it demands “detailed information” on their “locations, operations, capabilities, intentions, effectiveness personnel, equipment, communications and capabilities, power and influence, procedures, funding and support (internal and external), training, doctrine and policy, uni-forms, insignia and credentials.”
“Information concerning operations, methods, influence, organization and general activities of the intelligence and security services of countries, which are either friendly or co-operating with the United States, has become highly important to army planning and Opsec.”