(ちゅうさ)

ちゅうさ
noun
lieutenant colonel; commander
1. lieutenant colonel (army/air force); commander (navy)
A senior military officer rank. In the army and air force, equivalent to lieutenant colonel; in the navy, equivalent to commander. Ranks above major (少佐) and below colonel (大佐).
中佐(ちゅうさ)作戦(さくせん)説明(せつめい)した。
The lieutenant colonel explained the operation.
中佐(ちゅうさ)昇格(しょうかく)して連隊(れんたい)副官(ふくかん)となった。
He was promoted to lieutenant colonel and became the regiment's adjutant.
その映画(えいが)主人公(しゅじんこう)陸軍(りくぐん)中佐(ちゅうさ)で、戦場(せんじょう)での苦悩(くのう)(えが)かれている。
The protagonist of the movie is an army lieutenant colonel, and his anguish on the battlefield is depicted.

中佐(ちゅうさ) is a senior military officer rank, equivalent to lieutenant colonel in the army/air force or commander in the navy.

RANK HIERARCHY (() tier):

  • 少佐(しょうさ): major / lieutenant commander
  • 中佐(ちゅうさ): lieutenant colonel / commander (this word)
  • 大佐(たいさ): colonel / captain (navy)

WORD FORMATION:
(ちゅう) (middle) + () (officer rank). The () tier uses (しょう)/(ちゅう)/(たい) prefixes for junior/middle/senior grades.

USAGE:
A lieutenant colonel typically commands a battalion-sized unit. This word appears frequently in historical accounts, war films, and military-themed fiction. In modern Japanese self-defense forces (自衛隊(じえいたい)), the equivalent rank is 二等(にとう)() (2nd-class officer).