Astronauts confident Boeing space capsule can safely return them to Earth

Astronauts Suni Williams and Butch Wilmore aboard the International Space Station (Nasa via AP)

Two astronauts who should have been back on Earth weeks ago have said they are confident that Boeing’s space capsule can return them safely, despite breakdowns.

Nasa test pilots Butch Wilmore and Suni Williams launched aboard Boeing’s new Starliner capsule early last month, the first people to ride it.