Watch the Falcon 9 launch from pad 39A

NASA has ordered a second commercial crew ferry ship from SpaceX, NASA announced Friday, as the agency continues its on-going push to develop U.S.-built spacecraft to carry astronauts to and from the International Space Station, ending sole reliance on Russian Soyuz vehicles.

VIDEO: By the light of a waning moon, the space shuttle Atlantis returned to Earth on July 21, dropping out of predawn darkness to close out NASA’s 135th and final shuttle voyage, a long-awaited – and long-dreaded – milestone marking the end of an era for American manned space flight. (Membership Required)

SpaceX surpassed more than 4,000 Starlink internet satellites in orbit with the launch of a Falcon 9 rocket and another batch of 56 spacecraft Thursday from Cape Canaveral, the company’s fourth mission in less than a week.