Translation guide
A military rank above major and below colonel. In Japanese, the equivalent rank is 中佐 (ちゅうさ), used in the Ground, Maritime, and Air Self-Defense Forces, as well as historically in the Imperial Japanese military.
Referring to the rank of lieutenant colonel in a military context.
Standard Japanese equivalent for lieutenant colonel in the Japan Self-Defense Forces and historically in the Imperial Japanese military. Used across all branches.
彼は中佐に昇進した。
He was promoted to lieutenant colonel.
中佐が部隊を指揮している。
The lieutenant colonel is commanding the unit.
Specifically a lieutenant colonel in the army (Ground Self-Defense Force or Imperial Japanese Army).
陸軍中佐が作戦を説明した。
The army lieutenant colonel explained the operation.
Specifically a lieutenant colonel in the navy (Maritime Self-Defense Force or Imperial Japanese Navy). Note: In naval contexts, this rank is equivalent to commander in some English-speaking navies, but the Japanese term remains 中佐.
海軍中佐が艦を指揮する。
The navy lieutenant colonel commands the ship.
Specifically a lieutenant colonel in the air force (Air Self-Defense Force).
空軍中佐が飛行隊を率いる。
The air force lieutenant colonel leads the squadron.