It's still a nuclear reactor... You don't just put them into containers and ship them around, or turn them on or off by pressing a switch. They require speciali

It's still a nuclear reactor... You don't just put them into containers and ship them around, or turn them on or off by pressing a switch. They require specialized staff to operate, maintenance, handling of materials, safety and protection precautions and so on. Either you built them big or they are not worth it to operate.