Drones, such as the U.S. Navy’s formidable stealth drone, the X-47B, have become a prominent part of warfare. However, the craft is no longer used by the U.S. military. Vigorous trials of the X ...

Tests with the X-47B “Salty Dog” prototype proved that an unmanned jet with a fully stealthy design – that is, one without rudders – can land on a carrier, but the USN has resisted ...