Ru’s Antenna are mostly cosmetic. They are a remnant of his initial years working in harsh environments (high-intensity sandstorms) where even the small range advantage given by external antenna kept you alive and allowed you to find your way in conditions that did not allow for long range communication. These days external antenna on Artificial Lifeforms are rare, a sign of outdated technology. However, Ru likes them although he has been known to get tangled in overhead cabling on rare trips to engineering. Likewise, the lights he has on his “face” and the rest of his body allowed him to be spotted in low-visibility environments.
Ru moved from working in extreme environments to Navigation after his own experiences navigating inhospitable worlds gave rise to a unique set of algorithms – he jokingly refers to it as instinct but he is capable of making leaps beyond the available data with regard to where he, his ship, his target or his destination are. With all the navigation data available to a modern battleship such idiosyncrasies are charming but mostly useless. No-one ever gets “lost”. However, Ru gets a lot of work from Captains all too happy to carry a seemingly redundant back-up plan.
Ru himself is an intimidating figure and his team avoid direct contact as much as they can.