Special Operations Unit "Naresuan 261" was set up in 1983, Buddhist year 2526, by a Thai cabinet resolution.The resolution, dated 1 February 2526 (1983), was a major policy decision designed to provide a force for counter-terrorism efforts.In 2005, a royal decree, proclamation raised company 4 to the level of Sub-Division 3, Border Patrol Police Aerial Reinforcement Unit.The company also plays an important role as executive protection for the king, the queen, and other members of the royal family when they travel.They also train female operatives as executive escorts for Princess Siridhorn when she visits Border Patrol Police schools around Thailand.