Re: Behind the Gellar Field
I don't think us new guys are equipped to extract the VIP, unless you happened to bring multiple teleporter beacons or are willing to have Arkio go on a spacewalk with the VIP. Additionally, if the tyranid vessel is so big that the Imperial ship was sinking in its stomach acid, the blast will probably disembowel it but won't guarantee the destruction of the synapse node. Without that, the whole mission would have been a waste of time and assets.
If we CAN get the reactor to overload, this might actually be a good point to interact with the other survivors and the Stormtroopers you brought with you. Try to convince them to buy the space Marines time to finish the mission by holding out on the remainder of the ship, and let THEM detonate it once we're clear/when they get overrun. If we can't get it to perform a controlled detonation, the extra bodies can at least earn their lives as cannon fodder covering our backs on the way to the objective.