NASA swaps out astronauts for first manned flight on Boeing’s new ship

Last year was a huge year for private spaceflight, with a steady stream of very successful launches and huge progress being made on more ambitious ventures. It's already looking like 2019 is going to be an even bigger test for SpaceX, as well as competitor Boeing. Both groups are expected to soon begin their new manned spacecraft systems that will eventually serve NASA's needs, but first NASA has to make sure it has its crews ready.In a new announcement, NASA reveals that it is swapping out one