NASA Unveils First Commercial Crew Astronauts Today: How to Watch Live

Boeing's CST-100 and SpaceX's Dragon
Boeing's Starliner spacecraft (left) and SpaceX's Crew Dragon are part of NASA's Commercial Crew Program to bring astronauts to the International Space Station. (Image credit: Boeing/SpaceX via

Today (Aug. 3), NASA will announce the first astronauts who will fly in SpaceX and Boeing spacecraft for the agency's Commercial Crew Program). The first crewed test flights, which will use Boeing's CST-100 Starliner and SpaceX's Crew Dragon vehicles, are currently scheduled for 2019.

The announcement will be broadcast live at 11 a.m. EDT (1500 GMT) from Johnson Space Center (JSC) in Houston, and you can watch it live here on, courtesy of NASA TV. The event will feature NASA Administrator Jim Bridenstine, JSC Director Mark Geyer and Kennedy Space Center Director Bob Cabana. Representatives from Boeing and SpaceX will also participate, NASA officials have said.

Back in 2015, NASA announced four veteran astronauts training to fly commercial spacecraft: Bob Behnken, Eric Boe, Douglas Hurley and Sunita Williams. All four have been working with Boeing and SpaceX to test flight hardware and simulations for the Starliner and Crew Dragon vehicles, and the first test fliers and first commercial crew missions to the International Space Station should draw from that astronaut group. [Shuttle Test Pilot Bob Crippen's Advice for NASA's Commercial Crews]

SpaceX will use two NASA astronauts on its Crew Dragon flights, whereas Boeing plans to use one NASA astronaut and one Boeing test pilot, Jeff Foust reported for SpaceNews last year. Industry insiders have said that the Boeing crewmember will likely be former NASA astronaut Chris Ferguson, who commanded the final space shuttle flight in 2011 and is now director of Starliner's crew and mission systems, Foust wrote.

The SpaceX and Boeing spacecraft will both eventually launch from Florida, marking the first astronaut liftoffs from American soil since that shuttle mission, according to NASA. (NASA is already renovating the astronaut departure lounge at Kennedy Space Center.) Currently, all astronauts and cosmonauts heading to space ride Russia's Soyuz spacecraft, which lifts off from the Baikonur Cosmodrome in Kazakhstan. NASA hasn't committed to buying seats for its astronauts on Soyuz spacecraft beyond 2019, so other options to access the station will soon be essential.

NASA's Commercial Crew Program has created a path to approval for the Crew Dragon, which will fly on SpaceX's Falcon 9 rocket, and Starliner, which will ride United Launch Alliance's Atlas V rocket, to eventually deliver humans to the space station. Another version of the Dragon spacecraft has been bringing cargo to the station since 2012.

The selected astronauts will take questions on Reddit after the announcement, starting at 12:30 p.m. EDT (1630 GMT).

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Sarah Lewin
Associate Editor

Sarah Lewin started writing for in June of 2015 as a Staff Writer and became Associate Editor in 2019 . Her work has been featured by Scientific American, IEEE Spectrum, Quanta Magazine, Wired, The Scientist, Science Friday and WGBH's Inside NOVA. Sarah has an MA from NYU's Science, Health and Environmental Reporting Program and an AB in mathematics from Brown University. When not writing, reading or thinking about space, Sarah enjoys musical theatre and mathematical papercraft. She is currently Assistant News Editor at Scientific American. You can follow her on Twitter @SarahExplains.