Drones could address the biggest challenges in these fights, like a lack of situational awareness and communications problems ...

President Donald Trump has spent his first weeks in office calling for the U.S. to buy Greenland while refusing to rule out the possibility of military ... of building a base inside a glacier.

For over 40 years, one of North America’s most important military facilities was 200 ... figure eight-shaped building, built inside a cave that was 131 metres long, 70.1 metres wide and 16.5 ...