Army
An Army
noun
The army squad is an army. It's also just the army. It refers more to "an" army rather than "the" army. Just a group of people who do army things.
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.
軍隊ごっこをしているの？面白そう。私も入れてよ。
Are you playing army? That looks fun. Let me in too.
私は、軍隊を持つ必要の無い国は存在しないと思っています。
I do not believe that there is any country that does not need to have an army.
この世代の男性は軍隊経験がある人が多いんです。
Many men of this generation have military experience.