Enemy energy weapons whose fire spreads across the crawler base during the paratrooper assault.
Once the enemy Paratroopers are down inside the base, the now-familiar sound of pulse rifles starts pounding across the grounds — the audible signature of the breach, running under Tipid's all-hands calls and the scrolling casualty feed.
Their effect is shown directly on the Yenk former crawler dragged into the FUPA by Bucket Boy and Charles Andrew: the entire front of his body is a mass of red where he took a direct pulse hit.
The enemy's standard energy weapon in the assault on the crawler base.