In the same year, the 23rd Special Forces Brigade was established, consisting of 5 operational battalions, one support battalion, one communication platoon, one base company, and an unconventional warfare school. In 1970, the unit was renamed the 23rd Airborne Special Forces Brigade . A year later, a hostage rescue unit and a mental warfare company were added to the structure of the brigade. The establishment of the brigade was under supervision of American advisors from John F.