Grav

Grav could refer to:

• Any antigrav vehicle designed for planetary operations. They are normally divided into two classes, based on their operating altitude.
  • Landgravs are designed to operate close to a planet's surface, no higher than a few meters
  • Airgravs have more powerful antigravs and are able to operate at much higher altitudes, anywhere from hundreds of meters to low-orbital altitudes.

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