When the Star Alliance mobile infantry jumped down from the landing crafts that had not even touched the ground, they found no enemies on the surface.
Although Lingge Star was not an entirely interstellar civilization, its technological level and development actually exceeded that of Earth in the old era. The people of Lingge had initially mastered the first stage of nuclear fusion and had made certain achievements in electronic technology. Before the Teizene invasion, they had manned spacecraft that regularly traveled to other planets and superheavy rockets capable of launching over 1000 tons of materials.
Even though Teizene had seized control of the planet, the locals were still able to observe and know what was happening in outer space beyond their atmosphere.