Kang Sheng
In 1946, Mao returned to Yan'an, where he served under Kang Sheng in fighting against the Kuomintang and defeating them in the Shanxi Province, reaching the rank of Major General in the Peoples Liberation Army. Upon his return to Beijing, Mao became a Secretary and Translator for Li Kenong in the Intelligence Department of the CCP and also the Deputy Secretary of the CCP Branch for the Beijing General Machinery Factory.