Astronauts call for Mars mission BBC

Three of the 12 American astronauts who flew to the Moon in the Apollo missions have called for a commitment to a manned mission to Mars. The astronauts – Neil Armstrong, Buzz Aldrin and Gene Cernan – made their appeal during a news conference at the Kennedy Space Centre in Florida to commemorate the 30th anniversary of the launch of Apollo 11, which took the first men to the Moon.