The dust settles and a good chunk of the shed is taken out. Parts of the downstair facility is exposed and visible among the settling flames. The remains of the horde are on fire or completely dismembered altogether.
The tech guy looks over his laptop. "Signal coming in. I jacked one of their radios. Eheh. I was part of the crew that hijacked the monitoring equipment here for SANITY. Weren't supposed to know..."
The radio roars out with static for a moment and then the message comes through: "Robertson, Johnson! What's taken you so long? Doesn't matter now, you were supposed to bomb the sensor station before we were detected! Pull yourselves together and return to base. Launch imminent."