An alien ambassador contacted United Earth:

"We believe they've arrived in your solar system to harvest."

"Indeed, they've abducted hundreds of millions of people already," said One Earth's president. "Destroying nothing but teleporting victims. So how can we stop them?"

"President, we'll build our military bases and defenses with your assistance."

"Very well." The president looked at their phone. "They're invading another city!"

— — — —

Years of warfare waged on ...

John Davis, a software engineer and radio astronomer, analyzed and processed archives of the invader's communications through an advanced AI translator he had developed.

The first translated words were: Rescue Mission.