also: ふっかん
adjutant; aide-de-camp
Military term for an officer who assists a senior commander with administrative and staff duties.
He serves as the general's adjutant.
He works at headquarters as the colonel's adjutant.
The aide-de-camp prepared the operational meeting.
The captain was appointed as the new adjutant.
士官 just means a commissioned officer in general, while 副官 specifically denotes an officer serving as a commander's personal aide.
Standard kanji spelling; the reading ふくかん is the most common.
Alternate reading ふっかん is less common and may be considered non-standard by some speakers.
Compound of 副 (vice-, assistant) and 官 (official, officer). The reading ふっかん is a euphonic change from ふくかん.