In retaliation to this, Hermania sends up a fragment of the spaceship that landed on Hera in the first place, and land on the space station, smashing it.
In the spaceship were specially trained troops who could go toe to toe with the valkraries, and were equipped with space suits and pulse rifles, allowing them to shoot in space while gunpowder-based weapons had no oxygen to fire with. Shortly after the blew up the station with everyone on it and the team escaped on escape pods.