Up Close view of SpaceX Crew Dragon spacecraft bolted atop Falcon 9 rocket with Crew Access Arm astronaut walkway in position after being raised vertical at NASA’s historic Launch Complex 39A in Florida on March 1, 2019 ahead of scheduled maiden liftoff March 2 at 2:49 a.m. EST on critical unpiloted test flight on Demo-1 mission. This will lead to

SpaceX Falcon 9 rocket and Crew Dragon go vertical at sunset Feb. 28, 2019 preparing for critical maiden unpiloted test flight on Demo-1 mission scheduled to launch March 2 at 2:49 a.m. EST  from NASA’s historic Launch Complex 39A in Florida, preparing to return human spaceflight capabilities to the United States Credit: Ken Kremer/kenkremer.com/spaceupclose.com Ken Kremer — SpaceUpClose.com & RocketSTEM —