In the popular image, the early astronauts were brave sons of America who drove fast and lived life to the hilt.

He played an important role in developing the pressure suit worn by early American astronauts.

Sixty-eight percent of early astronauts, through 1991, who have flown in space have reported generalized back pain.

Eating in zero gravity was no real problem, contrary to the dark forebodings of the early astronauts.

Our earliest astronauts came from the military because we wanted people who had test pilot experience and the willingness to face dangerous situations.

That's why John Glenn and all the others who've flown since have gone up in space suits, just like the early astronauts.

He remained a personal friend of many early astronauts.

He says, "The early astronauts were the greatest explorers ever.

The accounts of the early astronauts, for instance.

One of the early astronauts, riding chemical rockets.