This classified military operation in the Kingdom of Laos during the Laotian Civil War was an infiltration of spies into Yunnan Province of the People's Republic of China.

The operation was run jointly by Lao General Ouane Rattikone and the Republic of China, using an espionage team recruited by the American Central Intelligence Agency.

In the words of a CIA analyst, there was a "farrago of regular and irregular formations combined to make northwest Laos a political, ethnic, and military stew that defied management or even description.

While the Team Sone Pet leader was a Royal Lao Army officer, the seven members were from General Khoumouane Boupha's troops in Phongsaly Province.

[4] Following this, during 1968 Ouane allowed a Nationalist Chinese intelligence team (name unknown) to set up in Ban Khwan, Laos,[4] the battlefield of the July 1967 Opium War.