常备不懈 Chang bei bu xie Designer Sima Lianyi (司马连义) Yang Debiao (杨德彪) Date 1978, June Publisher Shanghai renmin meishu chubanshe (上海人民美术出版社) Size 53x77 cm. Call nr. BG E37/189 Collection Landsberger collection Theme The People's Liberation Army Air Force (PLAAF) Tags China poster Chinese propaganda airplane missile 1978 air force airfield truck People's Liberation Army Air Force PLAAF pilot