“Aliens! Aliens!” She’d flown down the mountain to the village and, gasping for oxygen, had thrown her hand against the early-warning button.
Linked sirens shrilled across the globe. They had come down in their hundreds of thousands, travel-stained crafts hovering, dis-engorging the aliens via invisible elevators. Soon, 95% of the population had been slain, great cities destroyed.
The leader – others called him Admiral – looked around satisfied. “Air’s oxygen-rich, but it will do. With Planet Earth dead, it’s the best we’ve got.