Donut
A donut was a maneuver that involved driving a vehicle in a circle. The maneuver could also be done by starships in spaceflight, by way of a sustained circular drift.

In 2257, Keyla Detmer performed such a maneuver with the  over the planet Terralysium, allowing the gravitational effect of a dark matter asteroid to capture radioactive debris from Terralysium's ring system, preventing it from colliding with the surface. ()

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Maneuvers