Anti-gravity technology

The concept of anti-gravity technology involves the use of some form of energy field to counteract the force of gravity. The UNSC, Covenant and Forerunners have all developed some form of anti-gravity technology.

Example Usage
The following are examples of devices or vehicles that incorporate anti-gravity technology, used by various groups.

UNSC
 * Antigravity plate
 * UNSC Frigate
 * Gravball

Covenant
 * CCS-class Battlecruiser
 * Covenant Corvette
 * Covenant Destroyer
 * Ghost
 * Gravity Throne
 * Revenant
 * Seraph
 * Spectre
 * Spirit
 * Wraith

Forerunner
 * Auto-Turret
 * Sentinel