NASA and SpaceX managers conducted a Flight Readiness Review (FRR) Monday, Nov. 23, for SpaceX's 21st Commercial Resupply Services (CRS-21) mission to the International Space Station.

To enable additional time to evaluate flight data from Crew-1 and close out certification work ahead of this first flight of the cargo version of Dragon 2, teams are now proceeding toward a planned liftoff at 11:39 a.m. EST on Saturday, Dec. 5, from Launch Complex 39A at the agency's Kennedy Space Center in Florida, with the Dragon spacecraft arriving to autonomously dock at the orbiting laboratory on Sunday, Dec. 6, at approximately 11:30 a.m.

The science to be delivered on this mission includes a study aimed at better understanding the effects of microgravity on cardiac function in human heart tissue, research into how microbes could be used for biomining on asteroids, and a tool being tested for quick and accurate blood analysis in microgravity.

The first commercially owned and operated airlock on the space station, the Nanoracks Bishop Airlock, will arrive in the unpressurized trunk of the Dragon spacecraft. Bishop will provide a variety of capabilities to the orbiting laboratory, including CubeSat deployment and support of external payloads.

Related Links
Commercial Resupply Services Overview
Rocket Science News at Space-Travel.Com

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Astronauts board ISS from SpaceX's 'Resilience'
Washington (AFP) Nov 17, 2020
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