Unmanned aerial systems need to move to a shared architecture as their role on the battlefield expands under the Defense Department's Third Offset strategy, Air Force officials said at the Unmanned Systems Defense conference this week. That common system needs to be flexible enough to accommodate any of the service's future needs, while ensuring current platforms are backward-compatible with their future counterparts, according to Brig. Gen. Brian Killough, the top RPA strategist under the Air Force's deputy chief of staff...