The Special Air Service, commonly known as SAS, is a renowned military unit that specializes in special operations and counter-terrorism tasks. Synonyms for the term SAS include Special forces, Commandos, Elite troops, and Special operations forces. These units possess exceptional skills and training, making them an essential asset in various complex operations that include reconnaissance, direct action, unconventional warfare, and hostage rescue missions. Some of the notable military groups that share the SAS's mission, training, and operational deployment include the US Navy Seals, Russian Spetsnaz, British Royal Marine Commandos, and French Foreign Legion. These units form a joint international effort aimed at improving security and combating terrorism globally.