The next era of Humanned Space Flight will involve NASA trained astronauts leaving the Earth in space ships designed and built by two private corporations, SpaceX and Boeing.
Time to re-read The Man Who Sold The Moon
Today NASA announced the crew of astronauts to be trained for these missions. They will be going to the International Space Station. They are Sunita Williams, Bob Behnken, Doug Hurley and Eric Boe.