Nasa astronauts are on the last leg of their journey home as they prepare to make the first splashdown return to Earth in 45 years.Robert Behnken and Douglas Hurley left the International Space Station after two months on the orbiting laboratory.The pair are expected to land in the ocean off the coast of Florida at around 7.48pm UK time on Sunday.Mr Behnken and Mr Hurley made history on May 30 when they became the first people to launch into low-Earth orbit on a commercial spacecraft, built by SpaceX.Their mission, named Demo-2, also marked the first time Nasa had launched astronauts from US soil in nine years.SpaceX's astronaut carrier, the Crew Dragon, is expected to land in the water off Pensacola, western Florida.The US space agency
