Shield

The word Shield, could refer to the following:
 * Armor lock - An armor ability from Halo: Reach that forms a shield, making the player invincible but immobile for a short time.
 * Bubble Shield - A Covenant Loyalist personal defense device from Halo 3.
 * Deployable Cover - A Halo 3 deployable piece of Equipment, similar to the Stationary Shield Generator.
 * Energy shielding - A technology utilized by both Covenant and UNSC supersoldiers which provides limited protection.
 * Hardlight Shield - A Forerunner armor ability from Halo 4.
 * Kig-yar point defense gauntlet - An arm-held energy shield used by the Sangheili.
 * Sangheili point defense gauntlet - An arm-held energy shield used by the Kig-yar
 * Energy shield test station - A machine which activates the MJOLNIR's shield system.
 * Shield door - A Forerunner energy shield which repels gunfire.
 * Covenant shield generator - A Covenant structure which provides limited protection in Halo Wars.
 * Stationary shield generator - A device used by the Covenant during offensive ground operations.