technology. no. that s a helpful question because the fact of the matter is that the architecture and the technology we have chosen is complete overkill for subliminal tourism mission. we have chosen the vertical landing architecture. why did we do that? because it scales. it s an architecture that can grow to a very large size. so we want to have experience with architectures that can grow big, and one day to new armstrong. so to have the idea that you want to build big from the beginning, choosing the architecture, the whole point of this was to get practice and other kinds of architectures don t scale in the same way to a very large size. vertical landing does. in fact, you can think about it very easily because when you are landing a rocket vertically, you are solving the inverted pendulum problem and you are balancing a broomstick on the tip of your finger, and you can balance a broomstick on the tip