常备不懈 立足于打 Changbei buxie lizu yu da Designer Eastern Sea is Red naval airforce unit stationed in Shanghai (驻沪海军航空某部东海红) 21st Company of the Shanghai Cultural System (上海文化系统二十一连) Date 1970, August Publisher Shanghaishi chuban gemingzu (上海市出版革命组) Size 78x107 cm. Call nr. BG G2/668 Collection IISH collection Notes The text in the image: No matter whether the enemy comes by day or night, make sure he will never come back (不管敌人白天来黑夜来,定叫它有来无回). Theme People's Liberation Army Navy