UFO flying saucer spaceship drawing artist Jerome Cadd. This drawing was done on 92lb black paper with white chalk and sprayed with fixative. These may have been built during WW2 the Haunebu II. Some people like to draw the under spheres (domes) as gun turrets I think this is wrong. It is far more likely they were gimble mounted electro gravitic drive plates and part of the propulsion system. Lots of people like to think you need super advanced tech to build spaceships. I think something like these could have been built as early as the 1920s.