CAPE CANAVERAL, Fla.—The billionaire who launched on his own SpaceX flight last year is headed back up, aiming for an even higher orbit. Tech entrepreneur Jared Isaacman announced Monday that he will make another private spaceflight launching from NASA’s Kennedy Space Center. It will be the first of three crew SpaceX flights to try out new tech, culminating in the first flight of the company’s new Starship with people on board. Isaacman paid an undisclosed amount for a three-day spaceflight for himself and three others last September. On Monday, Isaacman said that he and Elon Musk’s SpaceX are sharing costs for the upcoming flight but he would not provide details. Plans call for Isaacman and three others, including two SpaceX engineers and a retired Air Force pilot, to blast off aboard a Falcon rocket no earlier than November. They will circle Earth for up to five days, higher than any …