SpaceX is preparing its gargantuan Starship rocket for another test flight close on the heels of a historic launch that saw the company nab the booster out of the air for the first time.

Starship's sixth flight test could launch as soon as Monday, Nov. 18, with a window that opens at 5 p.m. EST. SpaceX has spent years developing and testing the Starship, which is classified as a ...