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Jason DavisAugust 3, 2018

NASA names crews and dates for first U.S. commercial missions

Today, NASA announced the first astronauts who will fly to the International Space Station from the United States since the end of the space shuttle program in 2011. Robert Behnken, Doug Hurley, Eric Boe, Chris Ferguson, and Nicole Aunapu Mann are expected to launch aboard SpaceX and Boeing-operated vehicles in 2019, providing uncrewed flight tests of both spacecraft go well first. 

Behnken, Hurley, Boe and Sunita Williams have been training on SpaceX's Crew Dragon and Boeing's CST-100 Starliner since July 2015. Initially, all four crew members trained on both vehicles, but with flights just a year away, NASA is now assigning the crew to specific missions. Behnken and Hurley are scheduled to fly Crew Dragon for the first time in April 2019. Boe, Ferguson, and Nicole Aunapu Mann, a spaceflight rookie, will fly aboard Starliner sometime in mid-2019. Ferguson is the only non-NASA astronaut. He retired from NASA after commanding the final shuttle mission in 2011, and eventually joined Boeing to help develop Starliner. 

Both vehicles are capable of reaching the ISS autonomously, and will do so and return to Earth before humans climb aboard. NASA says this was actually not a requirement for certifying the vehicles, but both companies opted to perform end-to-end flight tests to ensure the entire integrated system worked properly. SpaceX says their test flight will happen this November, while Boeing is now targeting late 2018 or early 2019. Boeing's dates recently slipped after a problem during a test of the Starliner's abort system engines in June. The engines fired successfully, but several valves failed to close, allowing toxic propellant to leak from the engine. Many spacecraft, including Crew Dragon and Starliner, use hypergolic propellant for abort engines because it ignites on contact and is a good choice for quickly blasting a crew capsule away from a failing rocket. But that same propellant can be deadly to humans if not stored carefully. Boeing believes they know what caused the problem and a fix is in the works.

Upcoming commercial crew missions

FLIGHTTARGET DATECREW
Crew Dragon test flight November 2018 Uncrewed
Starliner test flight Late 2018 or early 2019 Uncrewed
Crew Dragon demo flight April 2019 Robert Behnken, Doug Hurley
Starliner demo flight Mid-2019 Eric Boe, Chris Ferguson, Nicole Aunapu Mann
Crew Dragon operational flight 1 2020-ish Victor Glover, Mike Hopkins
Starliner operational flight 1 2020-ish John Cassada, Sunita Williams
The first commercial crew astronauts

NASA

The first commercial crew astronauts
From left: Sunita Williams, Josh Cassada, Eric Boe, Nicole Mann, Christopher Ferguson, Douglas Hurley, Robert Behnken, Michael Hopkins and Victor Glover.

The return of crew flights to U.S. soil will end NASA's politically inconvenient reliance on Russia for transporting astronauts to the ISS. The space agency's current arrangement with Russia for Soyuz seats is set to run out in January 2020, a date that has already been stretched by extending upcoming ISS expeditions beyond six months. Purchasing additional seats on the fly is apparently not an option because of the lead time it takes to construct new Soyuz capsules. Therefore, it's essential that Crew Dragon and Starliner be ready for operational flights by the 2020 deadline. 

Four of the five astronauts named to the first Crew Dragon and Starliner flights are spaceflight veterans. Behnken, Boe and Hurley have each flown two shuttle missions, logging four weeks in space apiece. Ferguson, the Boeing astronaut, flew three shuttle missions, and has logged more than 40 days in space. Nicole Aunapu Mann will be making her first flight; she completed her astronaut training in 2015.

Once Crew Dragon and Starliner are certified by NASA for regular use, they will be used for operational ISS flights around 2020. NASA also named today the astronauts for those flights: Victor Glover and Mike Hopkins will fly aboard the first operational Crew Dragon, while John Cassada and Sunita Williams will fly aboard the first operational Starliner. A NASA press release says more crew members may be added to those flights later.

Glover and Cassada are spaceflight rookies. Hopkins was a member of Expedition 37 and 38 in 2013 and 2014. Williams has the most diverse space background of the astronauts named today, having flown on both the shuttle and Soyuz and served aboard the International Space Station for two long-duration expeditions in 2006 through 2007 and 2012. She has logged 322 days in space.

It's been a long journey for NASA and its commercial partners to get both crew capsules up and running. NASA picked Crew Dragon and Starliner to replace the space shuttle for ISS transportation back in 2014. At the time, test flights were expected to be just around the corner, and the agency pledged to be rid of Russian reliance in 2017. But both partners have suffered delays that will end up totaling at least three years. The first Crew Dragon arrived in Florida back in July for final processing, and NASA said the Falcon 9 that will be used for the uncrewed test flight will ship to Texas for testing in August. Similarly, the first Starliner is being currently being outfitted for launch at Kennedy Space Center, and the test flight's Atlas V Centaur upper stage—never flown in the dual-engine configuration—ships to Florida in August.

NASA seems confident these dates will hold, and that the commercial crew program is finally on the home stretch. However, at least one source already disagrees. In any case, SpaceX is now the presumed leader of the race to capture the flag left on the station by the final space shuttle crew—a flag that has been waiting to return to Earth for eight years and counting.

Read more: commercial spaceflight, human spaceflight, International Space Station

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Jason Davis

Digital Editor for The Planetary Society
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