Not far from the uneasy border between North and South Korea, the sound of gunfire echoes through the hills. Troops in combat gear shout, heavy equipment rumbles.
Today, this field is a training ground. But every U.S. soldier here knows that someday soon, it could be a battleground. A new front in a Korean war that was paused with an armistice 70 years ago, but never formally ended.
“We’re in an environment where things can get super tense,” said U.S. army Staff Sgt. Justin Wilson. “Things already are tense, and they could escalate even more.”
In Pyongyang, North Korean leader Kim Jong-un vowed
