US Navy robot war-jet refuels in air: But Mav and Iceman are going down fighting

Aviators plan to keep carrier drones on the sidelines

A US Navy X-47B unmanned aircraft demonstrator has successfully carried out air-to-air refuelling from a tanker, the last of the feats the X-47B project was intended to accomplish. The two robot jets will now be retired, either to museums or the Pentagon's famous desert aircraft boneyard in Arizona.…