Of course you can and it's just one example. Some things to note... It can be built a lot faster than 3 to 6 months if there were a need. It could be scaled up without taking more time to build. It takes about the same time to build ten of them as to build just one. The hardest part is coming up with the design that meets needs.
When people say a thing can't be done, all they're really saying is they can't do it.