4 new astronauts head to International Space Station for a 6-month stay

A team of four astronauts, including Nasa's Matthew Dominick, Michael Barratt, Jeanette Epps, and Russia's Alexander Grebenkin, are en route to the ISS to oversee the arrival of two new rocketships - Boeing's Starliner capsule and Sierra Space's Dream Chaser. The mission was launched by SpaceX and Nasa from the Nasa Kennedy Space Center in Florida.