The International Space Station’s first visitors from India, Poland and Hungary headed back to Earth on Monday, wrapping up a private mission and catching a ride home with SpaceX. Their capsule undocked from the orbiting lab and aimed for a splashdown the next morning in the Pacific off the Southern California coast. The short, privately financed mission marked the first time in more than 40 years that India, Poland and Hungary saw one of their own rocket into orbit. The three astronauts were accompanied by America’s most experienced space flier, Peggy Whitson, who works for Axiom Space, which chartered the...