noun
assistant chief of staff, G2
A specific title used in military or government organizations, referring to the assistant chief of staff for intelligence (G2). The term is not commonly encountered outside of specialized contexts.
彼は自衛隊の第二部長に任命された。
He was appointed as the assistant chief of staff, G2, in the Self-Defense Forces.
Compound of 第二 (second) + 部長 (department head/chief), used as a specific organizational title.