Their missile silos are below ground. 他们的导弹发射井在地下。
This can lead to lots of frantic battles to control the various missile silos, as they periodically loft up a missile that can damage the energy shield. 这个特点会为了控制各种导弹发射井而引发众多的激烈战役，因为这些导弹发射井可以阶段性地发射导弹，击毁能量盾。
