The computer is capable of 'remote access'. [=it is possible to become connected to this computer from another place]
The mission is to transport medical supplies to 'remote' areas/places/regions of the globe.
The 'remoteness' of his location made it hard for rescuers to reach him.
(..) enough to kill them on its own. Taken in large enough quantities, eventually it would kill them. He didn't need to be there for the execution. Murder by remote control, he could be miles away. The hungrier they got, the more they ate, the faster they died. Neat. Sherlock. Over here! (..)2012 TvShow: Sherlock Title: The Reichenbach Fall Season: 2 Episode 3