Shield

Shield may refer to:
* Campaign/Multiplayer Weapons:
** Riot Shield - A primary weapon in Call of Duty: Modern Warfare 2, Call of Duty: Modern Warfare 3, Call of Duty Online, Call of Duty: Ghosts, Call of Duty: Heroes, Call of Duty: Modern Warfare, and Call of Duty: Modern Warfare II used to deflect bullets.
** Blast Shield (equipment) - A piece of equipment in Call of Duty: Modern Warfare 2 used to reduce damage against explosives.
** Assault Shield - A primary weapon in Call of Duty: Black Ops II.
**Heavy Shield - A primary weapon in Call of Duty: Advanced Warfare.
**Retractable Shield - A tactical equipment in the campaign of Call of Duty: Infinite Warfare.
**Dome Shield - A tactical equipment in the multiplayer mode Call of Duty: Infinite Warfare.
**Cavalry Shield (also known as Combat Shield) - A primary weapon in Call of Duty: WWII and Call of Duty: Vanguard.
**Ballistic Shield - A specialist weapon in Call of Duty: Black Ops 4 and Call of Duty: Mobile.
**Barricade (also known as Transform Shield) - A Specialist equipment in Call of Duty: Black Ops 4 and Call of Duty: Mobile.
**Shield Turret - A killstreak in Call of Duty: Modern Warfare and Call of Duty: Mobile.
*Campaign/Multiplayer abilities:
**Blast Shield (perk) - A perk in Call of Duty: Modern Warfare 3, Call of Duty: Ghosts, and Call of Duty: Infinite Warfare with similar effects to the aforementioned equipment.
**EMP Shielding Device - An attachment in Call of Duty: Online.
**Shield (utility) - A utility in Call of Duty: Heroes that protects the player's base for a duration of time.
**Light Shield - A hero skill in Call of Duty: Heroes.
**Exo Shield - An Exo ability in Call of Duty: Advanced Warfare.
* Zombies Weapons:
**Zombie Shield - A buildable shield in the Zombies mode of Call of Duty: Black Ops II and Call of Duty: Black Ops III.
**Rocket Shield - A buildable shield with a rocket fuel in the Zombies mode of Call of Duty: Black Ops III. 
**Guard of Fafnir (also known as Dragon Shield) - A buildable shield in the maps Gorod Krovi and Revelations of the Zombies mode of Call of Duty: Black Ops III.
**Brazen Bull - A buildable shield in the Zombies map IX within Call of Duty: Black Ops 4.
**Spectral Shield - A buildable shield in the Zombies map Blood of the Dead within Call of Duty: Black Ops 4.
**Apollo's Will - A buildable shield in the Zombies map Ancient Evil within Call of Duty: Black Ops 4.
**Decimator Shield - A wonder weapon in the Zombies map Terra Maledicta within Call of Duty: Vanguard.
*Shields - A member of the U.S. Navy in Call of Duty: World at War, seen in the level "Black Cats".
*Shield (weapon) - A weapon from the canceled game Call of Duty: Roman Wars.
*Riot Shield Squad - An air support option in the Survival Mode of Call of Duty: Modern Warfare 3.
*League Shield - A purchasable item in Call of Duty: Heroes.