With sabotage risks on NATO's mind, formations like this are rising to new prominence in national force structures.

In some cases, drones can even cause detainment, and lead to cruisers missing their ship. Norwegian Cruise ... t allow their drone onboard, while Viking was okay with it, without it being used ...

Discovered in Norway in 1906, the Oseberg ship (above), the best preserved Viking ship ever found, reveals its Norse shipbuilders' graceful construction style. Next, the boatbuilders affixed ...