Great attention was paid to privacy, which often took a very strange shape. The presence of Soviet troops in China, where possible, to hide - in fact, despite the periodic border conflicts, the USSR and Japan supported normal diplomatic relations. To hide the political workers invented fictitious positions as Commissioner of the air group of volunteers AG Ritov became "chief navigator." At aerodromes slowly from the Chinese Communist Party meetings were carried out, at the approach of strangers smooth transition in "technical meetings". All personnel still in Moscow, dressed in civilian clothes, and ordered not to talk about the origin of the aircraft.