DELta
1st Special Forces Operational Detachment-Delta (1st SFOD-D) is one of the United States' secretive Tier One counter-terrorism and Special Mission Units. Commonly known as Delta, or Delta Force, it was formed under 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, along with its Navy counterpart DEVGRU, 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 hostages and raids.
seals
The United States Navy's Sea, Air and Land Teams, commonly known as Navy SEALs, are the U.S. Navy's principal special operations force and a part of the Naval Special Warfare Command (NSWC) as well as the maritime component of the United States Special Operations Command (USSOCOM). The unit's acronym is derived from their capacity to operate at sea, in the air, and on land. In the War on Terror, SEALs have been utilized almost exclusively for land-based operations, including Direct Action, Hostage Rescue, Counter Terrorism, Special Reconnaissance, unconventional warfare and foreign internal defense operations. Without exception, all SEALs are male members of either the United States Navy or the United States Coast Guard.
army rangers
The United States Army Rangers are elite members of the United States Army. Rangers have served in recognized U.S. Army Ranger units or have graduated from the U.S. Army's Ranger School. The term "Ranger" was first used in North America in the early 17th century. The 75th Ranger Regiment is now a special operations combat formation within the U.S. Army Special Operation Command (USASOC). The Ranger Regiment traces its lineage to three of six battalions raised in WWII, and to the 5307th Composite Unit.
sas
The Special Air Service or SAS is a special forces regiment of the British Army that has served as a model for the special forces of many other countries all over the world. The Special Air Service together with the Special Boat Service (SBS), Special Reconnaissance Regiment (SRR), and the Special Forces Support Group (SFSG) form the United Kingdom Special Forces under the command of the Director Special Forces. While the Special Air Service gained fame and recognition worldwide after successfully assaulting the Iranian Embassy in London and rescuing hostages during the 1980 Iranian Embassy Siege, lifting the regiment from obscurity outside the military establishment. It is tasked with special operations in wartime, and primarily counter-terrorism in peacetime.
BRITISH REBELS / Covert ops
We're including this group in the list since that cant easily be identified as Delta, SEALS, Rangers, SAS Etc. They are clearly not Russian since this group is seen detained or under arrest by Spetsnaz special forces. They are possibly British in origin since they have only been seen in the trailer scenes that take place in London.
spetznaz
Russian Special Purpose Forces or Spetsnaz is an umbrella term for any special forces in Russian, literally "force of special purpose". These Russian special forces can specifically refer to any elite or special purpose units under subordination of the Federal Security Service (FSB) or Internal Troops of Russian Ministry of Internal Affairs, and the units controlled by the military intelligence service GRU. Currently, the term is used as well to describe any special purpose units or task forces of other ministries (even the Emergency Situations Ministry special rescue unit). Foreign special forces are also commonly referred to as Spetsnaz on Russian television, for example "American Spetsnaz." Spetsnaz specialists have trained the Republican Guard of Syria, Iraq and Iran and they have been involved in training other special forces units across the world.
OPFOR / Terrorist / Militia
Also known as "Opposing Force", The term opposing force is occasionally used to refer to a genuine military foe. An opposing force (abbreviated OPFOR, used in the United States and Australia) or enemy force (used in Canada) is a military unit tasked with representing an enemy, usually for training purposes in war game scenarios.
