This whole article is underminded by the fact that drones can't be steered remotely while remaining underground.
Date: 12 Jun 2011 16:31
Number of posts: 5
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How did they test the water sample if the drone was lost?
The vial was dropped in the river and picked up downstream?
Also manned exploration approved!!!! Why not send a bunch of drones!!!!
Says that they left the sample there with a beacon for retrieval- presumably they sent another drone in and got it.
On the manned exploration part: Drones can only do so much. They had established that the place wasn't instant death, and at a certain point there's no substitute for boots on the ground.