Astronaut Walter M. “Wally” Schirra Jr., one of the original Mercury Seven astronauts and the only man to fly on all three of NASA’s early space missions, has died at the age of 84, NASA officials confirmed Thursday.
Astronaut Walter M. “Wally” Schirra Jr., one of the original Mercury Seven astronauts and the only man to fly on all three of NASA’s early space missions, has died at the age of 84, NASA officials confirmed Thursday.