Special Forces traces its roots as the Army's premier proponent of unconventional warfare from purpose-formed special operations units like the Alamo Scouts, Philippine guerrillas, First Special Service Force, and the Operational Groups (OGs) of the Office of Strategic Services (OSS). But within the ranks are special operations -- the most elite warriors whose specialties are impressive, to say the least. The U.S. military is full of rough and ready soldiers. However, there is only one real Special Forces, and that's the United States Army Special Forces, sometimes referred to as the "Green Berets." It may interest you to know that many Special Forces soldiers don't like the nickname Green Beret. United States special operations forces (SOF) are components of the Department of Defense's United States Special Operations Command (USSOCOM).. The U.S. military definition of Special Operations Forces according to the Department of Defense Dictionary of Military and Associated Terms is "Those Active and Reserve Component forces of the Military Services designated by the Secretary of … The Special Forces play an important role in the defense of the country. Special Operations Forces are the elite commandos of the U.S. military. The other elite military groups are more properly referred to as "Special Operations Forces," or "Special Ops." Let’s check out the below list of World’s Best Special Forces & Most Dangerous Force & Most Deadliest Forces: Security and Special Forces are the important part of the defense of any country in the world.The Special Forces are trained in a high-quality manner.