It is described as being a "covert special reconnaissance unit". Task Force Blackbird in Warfighter is a low visibility, clandestine, special operations team made up of veteran Tier 1 Operators mainly DEVGRU SEALS and intelligence personnel with extensive specialized training in field craft and combat tactics, to carry out operations in non-permissive environments and often times hostile.
TF Blackbird is an OGA (Other Government Agency) faction. Central Intelligence Agency field teams will identify themselves as an OGA task force when they require to interact with friendly military and intelligence units.
Dusty offers both Mother and Preacher to join Task Force Blackbird to do clandestine missions to track the source of the PETN. Some objectives carried out by Task Force Blackbird include securing a cellphone for intellegence purposes, tracking down an arms dealer named Farraz in Adam Dakhel, Pakistan among others.