Transcript for US astronauts lift off for the International Space Station
Next tonight, the historic liftoff at the Kennedy space center in cape canaveral. Two astronauts now hurtling towards the international space station at nasa teamed up with spacex. Gio Benitez was there. Reporter: Tonight, the historic launch. 3, 2, 1, 0. Ignition. Liftoff. Reporter: American ambition and ingenuity, blasting off, sending astronauts into space from U.S. Soil for the first time in nearly a decade. The first human ride for falcon 9, and it was incredible. For astronauts Bob Behnken and Doug hurley, the day started with that famous walkout after bad weather scrubbed the last launch Wednesday. The two in their designer flight suits giving the thumbs up. Their wives, also astronauts, and their children. Hurley and wife Karen holding hands. Behnken with a message for his son. Are you going to listen to mommy and make her life easy? I love you. Reporter: The crew, taking Teslas to the launchpad with one final look before boarding the crew dragon and lifting off into history. Spacex, created by Elon Musk, becoming the first private company to put astronauts into orbit. A mission nasa administrator Jim bridenstein says will change the future. We're proving that we can compound pharmaceuticals in a way that you cannot do on Earth. We're able to create immunizations in a way you cannot do on Earth. We're printing human organs in 3-d. It's going to transform how we do medicine here on Earth. Reporter: Thousands gathering on the beaches of Florida to witness history. The successful launch a moment of national unity, reminding us all of what people can do when they come together. Gio Benitez joins us now from the Kennedy space center. We were watching together on the special we aired earlier. You were there to hear it and see it and feel it all. Reporter: Tom, I got to tell you you could feel the rocket as it hit supersonic speed. The ground shakes, your whole body shakes. It's something else. By the way, I should tell you, the next exciting moment happens tomorrow morning, 10:30 A.M. Eastern. That's when they dock at the international space station. Tom? Gio, thank you for that.
This transcript has been automatically generated and may not be 100% accurate.