"Army Recruiting Command has received multiple calls and emails about these fake text messages and wants to ensure Americans understand these texts are false," military officials said.
"You're talking to our allies over there and you wonder whose side they're going to be on," Senator James Inhofe warned.
"With this kind of president, with his knowledge of foreign policy, who knows what is going on? Foreign policy is not his big thing."
When Tucker Carlson asked why his son should be sent to defend Montenegro, Trump said: "I understand what you're saying. I've asked the same question. Montenegro, you know, is a tiny country with very strong people."
A majority of Russians say escalating tensions in Syria with the United States and other allies in the West could spark World War III.
The U.S., U.K. and France joined strikes on Syria to punish the Assad regime for using chemical weapons.
A war that kills tens of millions of people could happen again in the next 100 years.
North Korea made major leaps in its missile technology in 2017.
Russian confidence in their army is high though. Over a third think their men and women in uniform are the best in the world.
Online activist group Anonymous is urging viewers to "prepare for what comes next" as tensions between President Donald Trump and North Korea heat up.
A poll shows that concern regarding global conflict with the West is high.