第11旅団 (陸上自衛隊)とはなんですか？

A. 11th Brigade is a unit of the Japanese Ground Self-Defense Force.

参考URL:https://ja.wikipedia.org/wiki/%E7%AC%AC11%E6%97%85%E5%9B%A3%20%28%E9%99%B8%E4%B8%8A%E8%87%AA%E8%A1%9B%E9%9A%8A%29