Would they take up arms and fight alongside the Aquilonians against the new invaders?

Ludmila did not even try to fly directly over the new invaders' base.

The new invaders, like the old, pounded every airstrip they could find.

A new invader was added in which, upon being hit, would split into two.

Then there are steps you can take to keep new invaders out.

He must have gone in the wake of those new invaders.

Hence there was nothing to tell of new invaders who had just arrived.

He had planned to down the new invaders with the aid of light.

Now a new invader was seen clambering through the trees.

Right after them came new invaders, police in dozen lots.