1st Special Forces Operational Detachment-Delta (1st SFOD-D) is one of the United States' secretive Tier One co-unter-terrorism and Special Mission Units. Commonly known as Delta, The Unit, or Delta Force, it was formed un-der the designation 1st SFOD-D, and is officially referred to by the Department of Defense as Combat Applications Group.This unit is an elite Special Operations Force, and an Army Compartmented Element of the Joint Special Operations Command. Delta Force are the United States' primary counter-terrorism units.
Delta Force's primary tasks are counter-terrorism, direct action, and national intervention operations, although it is an extremely versatile group capable of assuming many covert missions, including, but not limited to, rescuing h-ostages and raids.