While European industry has only recently endorsed the development of a medium-altitude, long-endurance unmanned air system, it has been quicker off the mark to develop a multitude of rotary-wing systems for potential naval use. But while they have been quick to experiment, Europe’s navies have been slow to adopt the systems, with only a handful making operational use of them. One of most proactive is the Spanish Navy, which used Saab’s Skeldar platform during the EU’s ...