The SpaceX Demo-2 test flight for NASA's Commercial Crew Program was the first to deliver astronauts to the International Space Station and return them safely to Earth onboard a commercially built and operated spacecraft.

The crew launched on Saturday, May 30 on a SpaceX Falcon 9 rocket from NASA’s Kennedy Space Center in Florida and arrived at the orbiting laboratory on May 31. The SpaceX Crew Dragon “Endeavour” splashed down off the coast of Pensacola, Florida, Sunday, Aug. 2 at 2:48 pm EDT following their undocking from the International Space Station Saturday, Aug. 1 at 7:35 pm EDT.

While the SpaceX Demo-2 mission will be lauded in history for its many firsts, the mission also contributed to valuable scientific research conducted on the ISS. During Hurley and Behnken’s 62 days onboard the space station, the two supported critical ISS mission objectives that included the execution of multiple research experiments, several of which were sponsored by the ISS U.S. National Laboratory. Below provides a snapshot of ISS National Lab investigations that Hurley and Behnken worked on during their time on the space station

During their 62 days aboard station, Robert Behnken and Douglas Hurley contributed more than 100 hours of time to supporting the orbiting laboratory’s investigations, participated in public engagement events, and supported four spacewalks with Behnken and Cassidy to install new batteries in the station’s power grid and upgrade other station hardware.

These activities are a part of NASA’s Commercial Crew Program, which has been working with the U.S. aerospace industry to launch astronauts on American rockets and spacecraft from American soil the International Space Station for the first time since 2011. This is SpaceX’s final test flight and is providing data about the performance of the Falcon 9 rocket, Crew Dragon spacecraft and ground systems, as well as in-orbit, docking, splashdown and recovery operations.

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