For the first 15 minutes of the mission, you get nothing from Mission Control. No intro to the mission, no warnings, no resupply pods, no drop pod for extraction if you finish early, no nothin'.
Maybe make it longer if 15 minutes isn't long enough.
Something like that!
"Ah, there we go, sips mmm, fresh coffee... I wonder how the teams doing there... oh dear, welp, time to get a new salvage mission going..."
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