Why is that US soldier wearing pince-nez glasses?
Lots of American soldiers walk through here, so please make sure you're not in their way.
"Wow. What beautiful weather! I feel like I'll finally be able to do 300 sit ups today," said an American soldier.
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.
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.