訓 いくさ ・ 音 グン
Sino-Vietnamese: quân
Cover 冖 over vehicle 車: war chariots gathered in a camp form an army (Han Viet quan, as in quan doi = army).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
祖父は昔、軍人でした。 (そふはむかしぐんじんでした)
My grandfather was once a soldier.