User blog comment:Beast of burden/BioShock: Eclipse/@comment-6024608-20131015235605/@comment-6024608-20131017065902

Vacuum on moons surface, but in caverns under the surface (didnt they recently fiind water on the moon??)  Or it could be caused thru a virus they find (which sunlight kills, or somesuch). All the fancy plasmid type stuf is developed from that...