Drawing of the soviet ant-25 single-engine aircraft in the skyDrawing of the Soviet ANT-25 single-engine aircraft in the sky
North american single - engine long - range fightersNorth American single - engine long - range fighters
Japanese single-seat interceptor fighter of all-metal constructionJapanese single-seat interceptor fighter of all-metal construction
Russian manual single machine gun for the shooting range. firearmsRussian manual single machine gun for the shooting range. firearms
British single-seat fighter aircraft of the first world warBritish single-seat fighter aircraft of the First World War