SpaceX launched an unmanned crew capsule for the International Space Station on top of a Falcon 9 rocket at the Kennedy Space Center in Florida, U.S., on Saturday. /VCG Photo

The launch marks the first test mission of SpaceX's unmanned craft Crew Dragon, also known as Dragon 2. And it has been loaded with 180 kilograms of cargo for the International Space Station. /VCG Photo

A dummy named Ripley, packed with a range of sensors, was also onboard, allowing engineers to monitor the journey to and from the International Space Station and record the data to help real astronauts. /VCG Photo

There are seven seats and three windows in the Crew Dragon capsule, which can ferry seven astronauts simultaneously. /VCG Photo