In my book, Earth is governed by an extraterrestrial occupation force. They fill all positions of control; government, law enforcement, land ownership, business operation, etc. They need their own vehicles, obviously. And naturally, what types of vehicles they may have could potentially have a considerable impact on the plot. But that's where I'm stuck, because it seems that everything has already been done before. Every idea I come up with just screams "plagiarism". I had thought, for quick-response police units, maybe they'd use something resembling a flying motorcycle, with two sets of engines (front and back) driven by either rotors (like a helicopter) or jet turbines. But wait a minute - Star Trek did it first. If I included hoverbikes in my story, I'd be denounced and shunned for blatantly stealing from the most popular science-fiction franchise of all time, and that is certainly not a good way to go. Flying cars? Dropships? Basically, I'm operating on the assumption that "if there is already a word for it, I can't use it." That being said, I really need some help here. All of my creative resources are spread thin trying to tie together everything else in my story, I just simply don't have the time to come up with all this on my own. I'm already a year and a half past when I'd intended to have my story finished, and I've only just begun! I'm... let's be honest, I'm kinda screwed here. I need vehicles for ALL purposes: Quick-Response Law Enforcement, Prisoner Transport, Medical Transport (ambulances), Military Transport (personnel carriers), Government Transportation, etc. EVERYTHING. Some questions that must be considered: 1. Would they use wheeled, land-based vehicles like we are familiar with? If so, what might they use wheeled vehicles for and what would they NOT use them for? 2. What about fixed-infrastructure transport, like some variation of train or monorail? Could be land-based, or there could be some sort of permanent/semi-permanent infrastructure in the skies (or perhaps a combination of both). Like, what about large platforms/hubs/stations that orbit the planet or hover in the upper atmosphere or something? 3. Flying vehicles - some sci-fi just assumes that after a certain stage of development, ALL vehicles become air-based. I'd prefer not to go this route. I'd like a mix of different vehicles, but I also want it to be realistic. Which brings us to the next question: 4. What would the ratio of land-based to air-based vehicles be like? Would most of their vehicles operate in the skies, or on the ground? Obviously it would depend on the purpose of the specific vehicles in question, and seeing as I have not designed any vehicles yet, this is very much an open matter. I know I'm asking a lot, but I really need some help here. I should not have tried to write a novel, honestly. But now that I have started, I am determined that I AM going to finish it. But, like I said, my creativity is just spread too thin and this is a rather HUGE detail I've just entirely overlooked and neglected. Now I have to kick it into overdrive and fix this problem before I get too far along in my story. I promise and swear that when I publish, I will include a whole page dedicated to thanking everyone on this forum who has helped me in any way. I'm not one to steal credit, I give it where it is due. If I use your idea, I will thank you specifically by your username. So don't hold back. I really need all the help I can get. Thanks in advance.