I reckon with a real mission they should be given access to the internet. The 20 minute ping would cause havok with their BF2 score though!
Deep in outer space, millions of miles from civilisation, they say no-one can hear you scream.
Hardcore Big Brother
The fact they aren't actually going anywhere is the moral killer. The fact they can just go "I want to leave", walk through a door and be back in the real world is going to play havok with them.