じょうそうぶ

じょうそうぶ【上層部】

an upper rank; a top [an upper] echelon; the higher-ups; the upper reaches.

●政府の上層部 high-[top-]ranking government officials

・共産党の最上層部 top echelons of the Communist Party.

●上層部の意向 the sentiment among the upper ranks.