Of the 24 Nasa astronauts who travelled to the Moon in the Apollo missions of the 1960s and 1970s, just five remain.

The former US Navy pilot and commander of the Apollo 13 mission was the only member of the Apollo program to travel twice to the Moon without ever setting foot on its surface.

Of the 24 Nasa astronauts who travelled to the Moon in the Apollo missions of the 1960s and 1970s, just five remain.

Lovell commanded the first crew to orbit the moon and saved Apollo 13 mission