Most of which are US Special Forces, the training will focus on crisis management responding to the terrorist event for tactical operations counterterrorism and hostage rescue.

[2][3] To be eligible for the Task Force 90 unit selection process, candidates must first be members of the RTASWC and have successfully completed both the counterterrorism and hostage rescue courses.

Applicants undergo rigorous physical and mental evaluations, and those who pass are admitted into an intensive training program.

As with all Tier 1 special forces units, the training is exceptionally demanding and high-risk, with the potential for severe injuries or even fatalities.

In cases of terrorism within the Army's area of responsibility, command authority shifts to the Counter Terrorist Operations Center (CTOC) under the Royal Thai Armed Forces Headquarters, which previously operated from the Royal Thai Army HQ.