An employee of the Union Aerospace Corporation, Fredric Anubus was stationed in the UAC's Alpha Labs on Mars. His post was in Sector 1, working on the Hydrocon prototype.
Anubus was concerned about an O2 leak forming in one of the Hydrocon's siphon hoses in the oxygen displacement valve due to the lowered temperatures required to boost production in the Hydrocon Labs. If the hose were to rupture, it would cause severe instability in the Hydrocon systems and could result in a very dangerous situation. It is possible this is exactly what happened during the demonic invasion of Mars.