Page 2 - Pump Module News Today : Breaking News, Live Updates & Top Stories | Vimarsana

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Taliban targeting a u.s. embassy in kab umtul. no one was hurt. >> houston, you have yourself a new pump module. two astronauts completing urgent repairs during a christmas eve space walk. operations should be returning to normal in a new days. >> u.s. soldier giving his mother the best present ever. >> christmas for me is family. so it changes everything for me. army specialist travis rugerro sent his mom a card at work. until he shows up dressed as santa claus. he has been deployed for the past nine months. >> good for him. nothing other than a mother's

Valve that's in this big pump module. in toward get the two loops back up again, they were flying with one loop but if you lose the last one you are out of luck cooling wise. so they want to bring that second loop back up and tried lots of creative things and the only solution they were left with was to go out and do these space walks to change out the pump module and that's going pretty well. they almost are done. they will to be done in a couple more hours and have another loop up and working sponsorship it's very important but looks like it's going pretty well for them so far. >> clearly th...

>> reporter: three hours into the sfas wapace walk, the unit place. >> it's got to go in another inch or so. >> there you go. >> she's finished. pump module in position. >> reporter: the task is a delicate one. the equipment contains a noxious cooling fluid, ammonia. >> some of the dangers hooking up the big heavy ammonia lines, they're really thick and massive, and hooking those up of course, if you were to leak ammonia, it's not a very pleasant chemical. you couldn't bring it inside. so there's definitely risk there. >> reporter: the risk became reality when one of the fluid lines carrying t...

The decontamination. you know, explain -- >> sure. >> okay, good. >> okay. the outside cooling loop uses ammonia as the working fluid and at very high pressure. so when they replace the broken pump module with the new one, they had to reconnect those lines, those fluid lines to reconnect the ammonia to the box, to the pump module. so they were having trouble getting those connections made, and that's when one of the connectors started leaking ammonia out. those were the white flakes you saw. of course, the liquid ammonia under high pressure comes out into the vacuum of space and turns into a s...