The player takes control of a flying mecha suit who must battle an alien army.

The alien army is fended off, allowing the black hole bomb to be set.

They are an alien army that has destroyed numerous galaxies in their path of conquest.

The Headhunter arrives and points out how ridiculous the Doctor is for thinking he can hold of an entire alien army with one sonic screwdriver.

Earth has been conquered by an alien army from the star cluster known as the Akron.

There's nothing on board this ship to fight an alien army with twenty years to entrench itself.

Factions in the alien army have begun fighting each other instead of attacking humans.

Now, suddenly, feeling themselves once more defeated natives on sufferance in an alien army, they looked at each other sidelong, planning desertion.

We meet the Normans - an alien army of men loyal to the ruthless Duke William.