CAPE CANAVERAL, Fla. (AP) — A U.S. billionaire who made a fortune in tech and fighter jets is buying an entire SpaceX flight and plans to take three "everyday" people with him to circle the globe this year.

Besides fulfilling his dream of flying in space, Jared Isaacman announced Monday that he aims to use the private trip to raise $200 million for St. Jude Children's Research Hospital, half coming from his own pockets.

A female health care worker for St. Jude already has been selected for the mission. Anyone donating to St. Jude in February will be entered into a random drawing for seat No. 3...