The first U.S. astronauts who will fly on American-made, commercial spacecraft to and from the International Space Station, wave after being announced, Friday, Aug. 3, 2018 at NASA's Johnson Space Center in Houston, Texas. The astronauts are, from left to right: Victor Glover, Mike Hopkins, Bob Behnken, Doug Hurley, Nicole Aunapu Mann, Chris Ferguson, Eric Boe, Josh Cassada, and Suni Williams. The agency assigned the nine astronauts to crew the first flight tests and missions of the Boeing CST-100 Starliner and SpaceX Crew Dragon. Photo Credit: (NASA/Bill Ingalls)