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A bamboo version of The Art of War, written by Sun Tzu in ancient China explores espionage tactics. Efforts to use espionage for military advantage are well documented throughout history. Sun Tzu, 4th century BC, a theorist in ancient China who influenced Asian military thinking, still has an audience in the 21st century for the Art of War.
Espionage has been recognized as of importance in military affairs since ancient times. The oldest known classified document was a report made by a spy disguised as a diplomatic envoy in the court of King Hammurabi , who died in around 1750 BC.
In 1997, he pleaded guilty to espionage and was sentenced to 18 years in prison. [2] April 1996 – Kurt G. Lessenthien, a petty officer in the United States Navy was charged with attempted espionage for offering Top Secret submarine information to the Soviet Union. As part of a plea agreement, he was sentenced to 27 years in military prison. [2]
The Espionage Act of 1917 was passed, along with the Trading with the Enemy Act, just after the United States entered World War I in April 1917.It was based on the Defense Secrets Act of 1911, especially the notions of obtaining or delivering information relating to "national defense" to a person who was not "entitled to have it".
This is a list of spies who engaged in direct espionage. It includes Americans spying against their own country and people spying on behalf of the United States. American Revolution era spies
The Office of Strategic Services was established by a Presidential military order issued by President Roosevelt on June 13, 1942, to collect and analyze strategic information required by the Joint Chiefs of Staff and to conduct special operations not assigned to other agencies. During the war, the OSS supplied policymakers with facts and ...
Treason cases were rare in Russia 30 years ago, with only a handful brought annually. In the past decade and especially since the 2022 invasion of Ukraine, however, the number has soared, along ...
HUMINT can be conducted in a variety of ways, including via espionage, reconnaissance, interrogation, witness interviews, or torture. Although associated with military and intelligence agencies, HUMINT can also apply in various civilian sectors such as law enforcement. [2]