Are All These Plug Something in and Wait?

John Clark: "We're just at the forefront of a large revolution in technological capability and by extension, how you execute a flight" The mission sets will evolve as we learn more about these technologies. One thing that I think we might be missing out on is the opportunity to hit the tanker,. There's some amazing conceptual development and early R&D happening at places like NASA and DARPA around some concepts for things like that.