On the ground, the airports rotted. JFK was a museum. Heathrow had become a vertical farm. The concept of a "runway" was as quaint as a horse stable. Everything launched vertically—silent, swift, and clean. The Airbus Eclipse , a luxury liner for the wealthy, could hover outside your penthouse balcony like a dragonfly made of sapphire and carbon fiber.

The Airbus Nexus went quiet. The Aether-Links froze mid-suborbital arc. The Strato-Lifters carrying fresh water to drought-stricken Cape Verde stopped, hovering like whales in mid-leap. For thirty seconds, nine billion people looked up—or down—and saw nothing moving.

It began fifty years earlier, when Airbus unveiled the Atmos-1 , a hydrogen-electric hybrid that could circle the globe on a single tank of cryogenic fuel. Then came the Strato-Lifter , a cargo vessel the size of a city block that could carry a hospital from Tokyo to Nairobi in six hours. Finally, the Aether-Link changed everything: a suborbital shuttle that made London to Sydney a thirty-minute commute.

In the year 2089, the Earth had stopped being a collection of countries and had become a single, breathing organism of flight paths. This was the era of —not just a company, but a state of being.

One of them was a retired flight engineer named . She had helped design the first Aether-Link engine. Now she lived in a repurposed hangar outside Toulouse, fixing broken agricultural drones for chickens.