What to Know
- A SpaceX Falcon 9 rocket is set for launch at 4:27 p.m. California time Sunday from the Florida coast.
- The launch marks the first fully operational mission of SpaceX’s Crew Dragon spacecraft.
- Four astronauts will be part of the mission to the International Space Station.
Southern California-based SpaceX is on the verge of making history as it prepares for a joint launch with NASA that will bring four astronauts to the International Space Station.
The launch, re-scheduled for Sunday after initial launch plans for Saturday were scrubbed, marks the first fully operational mission of SpaceX’s Crew Dragon spacecraft and further advancing the return of U.S. manned spaceflight. The Saturday launch was called off due to onshore winds.
Mission managers are keeping a close watch on Tropical Storm Eta, which hit the western side of Florida Thursday.
Set for launch at 4:27 p.m. California time Sunday, a Falcon 9 rocket will be used to propel the Crew Dragon -- dubbed “Resilience'' -- from Cape Canaveral in Florida toward the space station, where the four astronauts will spend six to seven months.
The Crew-1 mission was originally set for Halloween, but had to be delayed so SpaceX could make needed upgrades to the Falcon 9 rocket being used for the launch. Following liftoff, the company will again attempt to recover the first stage of the rocket by landing it on a barge dubbed “Just Read the Instructions'' in the Atlantic Ocean. The recovery will allow reuse of the rocket as a cost-saving tool for future missions.
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The flight will be the first fully operational mission of the Crew Dragon spacecraft, but it won't be SpaceX's first time sending astronauts to the space station. In May, SpaceX propelled astronauts Bob Behnken and Doug Hurley to the space station in a Crew Dragon capsule named Endeavour, the first manned mission to launch from U.S. soil since the space shuttle program was retired in 2011.
While successful and hailed as a historic rejuvenation of U.S. spaceflight, that mission was technically just a demonstration flight, showing off the capabilities of the Crew Dragon. An earlier flight of a Crew Dragon capsule was unmanned, but it also successfully reached the space station with a belly full of cargo.
Saturday's mission will involve a larger Crew Dragon capsule, accommodating four astronauts instead of the two who flew in the May trip. The crew will be Mike Hopkins, the mission commander, pilot Victor Glover and mission specialists Shannon Walker and Soichi Noguchi. Hopkins, Glover and Walker are all NASA astronauts. Noguchi is with the Japanese Aerospace Exploration Agency and called the mission a "new era'' of "international cooperation.''
Hopkins said the crew have been traveling to SpaceX facilities for training and testing of the Dragon capsule. He said he has thoroughly enjoyed the training process at NASA.
“My kids, my wife have said, `You don't go to work anymore do you? It's like you go and just play all day,''' he said. ``And that's what it feels like when you come here ... and get to train. It's much more serious than that. It has real consequences, but at the same time, you know, I just absolutely love it.''
Walker said she was thrilled to be part of continuing human operations in space.
“I think it is just tremendously exciting and fascinating to know that kids are growing up today that have always had people living in space, and always had the countries working together for science and engineering objectives,'' she said.
The crew will take part in a host of microgravity experiments while aboard the International Space Station. The Dragon capsule will be carrying a variety of scientific hardware and materials for experiments, including a food physiology study to examine the effect of diet on the immune system during space travel and a student-designed “Genes in Space'' experiment of how spaceflight affects brain function.
While on the station, the crew will also be continuing an experiment of growing radishes in space, helping to further understanding of how changes in gravity and atmosphere affect plant growth -- considered key to future extended human travel to the moon and Mars.
The Crew-1 mission is the first of three planned Dragon flights in 2020 and 2021.