Noun
ぶき
全ての警察官に武器を使う資格があるわけではないというのは本当ですか？
Is it true that not all police officers are qualified to use their weapons?
A container used by the military is probably going to be used as a weapon. After all, that's what the military does... weapons.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.