High Quality Content by WIKIPEDIA articles! Operation Ke (¿¿¿¿?) was the largely successful withdrawal of Japanese forces from Guadalcanal at the conclusion of the Guadalcanal Campaign of World War II. The operation took place between 14 January and 7 February 1943, and involved both army and navy forces under the overall direction of the Japanese Imperial General Headquarters (IGH). Commanders of the operation included Isoroku Yamamoto and Hitoshi Imamura.