North Fourth District, 23:45:05 at night
In the night sky shrouded by dark clouds, two large black flying crafts slowly descended, piercing the moist, corroding thick clouds below and diving into the chill of the earth's atmosphere, with mist flying swiftly from the edges of their howling wings.
The red indicator lights on the body of the flying crafts, like two barely visible dots, flickered intermittently, then streaked across the sky at high speed.
[Have arrived above the target, beginning deployment of combat units]
The monotonous mechanic voice of the AI resonated in the cockpit, followed by the underbelly of the craft opening slowly, as quadruple-rotor Autonomous Units flew out and scattered close to the ground.