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.
Counter-terrorism In some countries, the military may be called in as a last resort. Obviously, for countries whose military are legally permitted to conduct police operations, this is a non-issue, and such counter-terrorism operations are conducted by their military. See counter-intelligence for command, intelligence and warning, and incident mitigation aspects of counter-terror. Some counterterrorist actions of the 20th and 21st century are listed below. See list of hostage crises for a more extended list, including hostage-taking that did not end violently. The scope for Anti-terrorism systems is very large in physical terms (long borders, vast areas, high traffic volumes in busy