(military, of the Japan Air Self-Defense Force) a junior officer

empty air / meaninglessness / (Buddhism) sunyata: emptiness, vacuity, awareness, openness, thusness / (Buddhism) void: one of the 五大 (godai, literally “great five”) and the highest of the five elements

et cetera

(military, of the Japan Air Self-Defense Force) a warrant officer

military officer / jailer / old man / rank

a watchman or military officer in the ancient Chinese military / A military rank.

these

et cetera, etc.; and so on / at last, finally

(historical) Kwantung Leased Territory (a concession in China)

rank, class, order / et cetera, that kind of thing, and so on