29. Vault (18)

"The 'Legion' has no ecological limitations, as long as technological conditions permit, they can go to any environment without worrying about survival. From deserts to deep seas, from dense jungles to mountain peaks, no matter how harsh the environment, as long as it's not a place where even electronic devices can't withstand—such as near a nuclear reactor with extremely high levels of free radiation, drones can go there and carry out combat missions. The sky, which dominates the battlefield, will never be absent.

The aerial combat model was created specifically to fight for air supremacy.