少佐は大尉の上官である。
A major is above a captain.

最近僕の義弟Ｙ砲兵少佐が、三年間の巴里駐在を終へて帰つて来た。数々の土産物を取巻いて、われわれはいろいろな土産話を聴いた。
Recently my brother in law, artillery major Y, came back from a three year trip in Paris. Surrounded by a great number of souvenirs he had brought back, we heard tales of his travels.

最近僕の義弟Ｙ砲兵少佐が、三年間のパリ駐在を終えて帰って来た。数々の土産物を取巻いて、われわれはいろいろな土産話を聴いた。
Recently my brother in law, artillery major Y, came back from a three year trip in Paris. Surrounded by a great number of souvenirs he had brought back, we heard tales of his travels.