noun
A rank in the Japan Self-Defense Forces, equivalent to major general in many Western armies. Used for both Ground and Air SDF; the Maritime SDF equivalent is 海将補 (rear admiral).
彼は昨年、将補に昇進した。
He was promoted to major general last year.
将補は陸上自衛隊と航空自衛隊に置かれる階級である。
Major general is a rank found in the Ground and Air Self-Defense Forces.