 They pledged support for any future American military actions on Chinese soil, and attempted to convince the Americans that the CCP was committed to a united KMT-CCP government.In a gesture of goodwill, People's Liberation Army (PLA) guerrilla units were instructed to rescue Allied soldiers (who were mostly American airmen) held prisoner in China.By the time that the Americans left Yan'an, many had become convinced that the CCP was "a party seeking orderly democratic growth towards socialism", and the mission formally suggested greater cooperation between the CCP and the American military.