There is no doubt the multiplicity of terms is causing confusion. If it's designed to fly in the NAS, is controlled by a link from the ground, it is an UAS. Further, I do believe the FAA has already settled the issue that our RC aviating machines are indeed aircraft. This is one of the crucial issues surrounding the interpretation of Sec 336 of the 2012 FAA Modernization Act that the modeling community thought made us exempt from FAA meddling.