In the event of nuclear war, the E-4B "Nightwatch" plane would serve as the US military's command and control center.

The U.S. military has been using drones for decades, though their popularity has skyrocketed in recent years. Unmanned Aerial ...

The headsets would give soldiers crucial information at a glance, creating a tactical advantage on the battlefield—but ...

Analysts say the low-cost weapons are attractive to Mr. Kim, who is intent on modernizing North Korea’s military.