The quartet of newly minted citizen astronauts comprising the SpaceX Inspiration4 mission were due to splash down in the Atlantic off Florida on Saturday, completing a three-day flight of the first all-civilian crew ever launched into Earth orbit. To prepare for atmospheric re-entry and return to Earth, the SpaceX Crew Dragon vehicle completed two rocket "burns" on Friday to lower its altitude and line up the capsule's trajectory with the targeted landing site. The Dragon capsule, dubbed Resilience, is scheduled to parachute into the sea around 7 p.m. Eastern time, shortly before sunset, according to SpaceX, the private rocketry company...