Derek "Frost" Westbrook

Staff Sergeant Derek "Frost" Westbrook is a Delta Force operator assigned to Team Metal, operating under the command of Sandman. Frost is one of the playable characters in Call of Duty : Modern Warfare 3.

In When the Cold Breeze Blows Away, he is later promoted to First Sergeant and is appointed as team leader of Task Force Vendetta; a counter-terrorist group whose formation was formally announced by President Michael Dugan.

His signature weapon is a customized Gilboa DBR Snake fitted with an ACOG scope and a M203 grenade launcher