Vietnam has revved up South China Sea land reclamation efforts this year, beginning construction on eight previously untouched Spratly Islands features.
The early warning radars on Greenland are key to defending the U.S. against nuclear attack, but they're vulnerable to hypersonic missiles, critics warn.
An active shooter hoax at a New Jersey military base Tuesday was caused by a civilian employee who wanted to “trauma bond” with coworkers, prosecutors say.