US Soldier, American Soldier
noun
Remember how 米国 is "America." Well, more of that again. With 米 representing "America" you can combine that with 兵 (soldier) to have yourself a US soldier / American soldier.
べいへい
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.
あの米兵は、どうして鼻メガネをかけているの？
Why is that US soldier wearing pince-nez glasses?
ここは米兵がたくさん通るので、通行のジャマにならないようにしてください。
There are many U.S. soldiers passing through here, so please don't be a distraction to the traffic.
その米兵は新しい家を建てるために土地を探しています。
The American soldier is looking for land to build a new house.