But life here seems to go on as usual.
At Mosa's Joint, in Guam's capital Hagatna, Thursday happy hour lasts until 8 p.m. The place fills up fast with locals and military personnel, "kind of a little bit of everything," says Monique Genereux, who opened the bar and restaurant a few years ago.
Despite North Korea's threat against Guam this week, she says folks are keeping their cool.
"It's a very serious topic for sure, and it can be scary, but you know, if it's gonna happen, it's gonna happen," she says.