that the term "Delta Force" is never used in the spec ops community. They are only referred to as "The Unit" and their DOD designation is "Combat Applications Group". The official cover name of the unit in the show is the "303rd Logistical Studies Group". In the third season's premiere, an onscreen read-out identifies the Unit as "1st Special Actions Group".

The Unit is based at a fictional army post, "Fort Griffith". The location of Fort Griffith