The Romulan fleet will invade Federation space and we'll be sitting here waiting for answers.

"Can't you see that the Romulan fleet has invaded the Federation?"

"The Romulan fleet has invaded Federation space."

A fleet of savage beings followed the radiation wave and invaded the planet, and began the systematic destruction of all remaining sentient life.

We had just received word that we had to bring the shields down so our fleet could invade.

They're scared silly that an alien fleet will be invading tomorrow.

Despite the fort's existence, a Dutch fleet invaded Acapulco in 1615, destroying much of the town and fort before being driven off.

A Viking fleet of about 120 ships under Turgesius invaded kingdoms on Ireland's northern and eastern coasts.

At the same time a fleet of martian invade earth to prevent the British Empire expansing to the red planet.

The plot is set in the 1950s where a fleet of alien flying saucer warships invade the Earth, causing massive damage.