Rebel Dream has the Galactic Alliance tricking the Vong into invading a planet to try and destroy a fake superweapon and suffering a long series of defeats on the ground. Of note is Operation Emperor's Hammer, in which Vong infantry was lured in the open and suffered four minutes of Orbital Bombardment from the Lusankya, a Star Dreadnought. To put matters into perspective, three Star Destroyers can reduce the surface of a planet to slag in a matter of hours, and an Executor-class Star Dreadnought like the Lusankya has the firepower of at least one hundred Star Destroyers.
Wedge: So, we're going to hit with an enemy they've never had the displeasure of facing. We're going to hit them with the Empire.
Tycho Celchu: They're not going to like the Empire