a goldfish in a fishbowl from the point of view of the goldfish. reporter: it s a nightmare scenario according to garrett reeseman who went on to be the first spacesuit engineer at spacex. if you fill the helmet you can t breathe, and you can t take the helmet off. so you re in a very bad, bad mace. and it got serious. reporter: they have stopped all spacewalks until matthias faulty spacesuit is returned to earth for inspection. but even if it s fixed the problem is these spacesuits or emus are decades old and there s not many left. it goes all the way back to apollo, pre-1975. the helmet s exactly the same that we wore on the apollo suits. reporter: nasa knows it s a problem. they re partnering with two commercial companies to develop