Because of incompatibilities between Nephilim and Terran technology, the plasma gun does not work as intended, and Casey assists in its firing by delivering a primer charge to an enemy ship. This results in the complete annihilation of the hostile fleet.
Because of incompatibility issues between Nephilim and Terran technology, the plasma gun fails to function as intended. Casey steps in to rectify this by providing a primer charge for the weapon, leading to the annihilation of the enemy fleet.