I was doing a mission analysis on returning a nuclear payload (a spent reactor, nuclear battery, or something slightly radioactive) from orbit and was seeing the potential ways of bringing it back. The only way that seemed possible (from a regulatory point of view) was if the payload landed in the open ocean without having the potential of redirecting to a populated place, making the following tracks most viable: Reentering due south towards Antarctica in the Indian Ocean, Reentering due south or north in the middle of the Atlantic Ocean, and Reentering on any track into the Pacific Ocean.
So my question is this: Would the operator or owner of the payload need to get a reentry license from the FAA to fly these trajectories? Or are these trajectories outside the FAA's jurisdiction since they end in international waters?