Donald Trump: “I just think he should be more appreciative.”

Stephen's been with me from the beginning. He gets it, very good politically ... and he's a very good manager. He'll do a great job.

We're going to be paving the way for astronauts to plant the Stars and Stripes on the red planet.

Just this week, I issued the American Declaration of Freedom in Space, proclaiming all of space opened for American settlement, American civilization and American freedom.

Our calling is to explore. Our purpose is to build, and our aim is always to win.