芦洞 Traditional form: 蘆洞 Pinyin (reading): Lúdòng Definitions: Rodong or Nodong, series of North Korean medium-range missiles Characters: 芦 - rushes, reeds 洞 - cave, grotto, hole, ravine Traditional characters: 蘆 - rushes, reeds 洞 - cave, grotto, hole, ravine