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The Shuttle Mission No One Wants
Fourmica writes "USA Today (by way of TechNewsWorld) has a surprisingly insightful look at the planned 'rescue option' for Discovery's upcoming launch. The plan, which has been mentioned here before, is to have the crew hole up on the ISS until Atlantis can launch to bring them home. My question is, why shove everyone into the ISS? Why not just dock with it, and share the life support supplies between the two systems, instead of cramming everyone into the station?" See this earlier story on the same topic.
They may hate the shuttle but due to the short sightedness of the last few administrations they have no other viable space lift vehicle available. And they have contractual obligations on the International Space Station. The poor Russians (bankrupt as they are) are pulling more than their share and might get fed up soon if NASA doesnt start pulling its weight. After all the Russian part of the ISS is built independently. They can just close the doors and jettison all the US modules.
The shuttles are masterpeices of engineering.... circa 1980. Unfortunatly they invested $$$ in a short production run vehicle that seems to still serve the original purpose. If you were to start building one new replacement it would take a long time and cost big bucks.
If they were to start off with a new design they could apply modern techniques/materials to create a lighter, stronger, more reliable system (i.e. a carbon monocot frame, carbon heat shield skin, computers that have more than 640k of ram, etc)
After working out the kinks on paper they could build a few dozen (price per unit should go down with increased volume) and launch more regularly. But then again, I'm just smoking crack here, NASA will never see that kind of budget again. Unless we can convience the public that Bin Laden is camped out in his secret moonbase.
NASA has a good record of recovering after a tragedy.
If you take the Apollo program as an example, the very first Apollo mission was a disaster with three astronauts killed. And yet after that, the Apollo missions were great successes (although Apollo 13 was a close call, of course).
The Hubble Space Telescope was launched with a faulty mirror, but this was fixed and Hubble's become a great success, too.
This program will probably go the same way.
"wouldn't you think NASA knows at least marginally what it's doing here?"
No, NASA is terrified of losing life.
Along with too many Americans.
Here's the thing...when the 6 astonauts died in the last shuttle accident it was too bad. Terrible.
But...it was no more terrible than 6 anonymous people dieing in an accident on the interstate. Its the same thing morally.
In people's minds though, its worse...and it is, but mainly because of the loss of equipment. People are cheap and plentiful, shuttles are not.
And shame on NASA and the bureaucracy for not having the b*lls to find a nice way to say the truth.
So to answer your question, no, I don't think they use their best *scientific* judgement; they're concerned about image.
Hey that's not fair. In this case it's the PEOPLE on the space station who were unpredictable. After all they ate the extra food, not the space station.
Sometimes my arms bend back.