Delta Force Delta Force The 1st Special Forces Operational Detachment-Delta (1st SFOD-D), commonly referred to as Delta Force, Combat Applications Group (CAG), "The Unit", Army Compartmented Element (ACE), or within JSOC as Task Force Green, is an elite special mission unit of the United States Army, under operational control of the Joint Special Operations Command. The unit is tasked with specialized missions primarily involving hostage rescue and counter-terrorism, as well as direct action and special reconnaissance against high-value targets. Delta Force and its maritime counterpart, the U.S. Navy's SEAL Team Six (also known as "DEVGRU"), are the U.S. military's primary counterterrorism units.
Reaction Unit (South African Police Service) Before 1979 the only police unit who had the capability of addressing high risk operations, including urban terrorism, was the Special Task Force (STF). The STF had only one base at the time, which was situated in Pretoria, and due to its scrupulous and strenuous selection-and-training process for new operators it was faced with an increased workload and limited resources. The force identified the need to expand its capacity throughout the country. In response the Reaction Unit was established in 1979 as a support unit to the STF and was tasked with counter-terrorism Operations. The unit was formed from the