There is at present no funding for further missions by Canadian astronauts.
He supposed they must be the outfits worn by astronauts.
"The final assessment will probably be higher than I like," he said, referring to maintenance work by astronauts.
He played an important role in developing the pressure suit worn by early American astronauts.
Here is a collection of letters, reports and other writings by astronauts.
It is worn by both male and female astronauts.
Its products were worn by astronauts on the Apollo space missions.
The original plan was for its width, after painstaking assembly by astronauts in space, to be a little over 16 feet.
It will be the first space walk by American astronauts since 1985.
Earth looks blue when seen from outer space by astronauts.