32nd, 35th, and 36th Regiments in the northwest, and the 14th Regiment in Kanchanaburi. Field organization In 1998 the Tahan Prahran consisted of 13 regiment headquarters (subordinate to Royal Thai Armies), 107 units (90 members), 12 women squads (11 members). As of 2018 it is organized as follows: 1st Army - headquartered in Bangkok and is responsible for the country's western and central provinces including the capital city. 11th Ranger Forces Regiment - Fort Thanarat, Pran Buri District, Prachuap Khiri Khan Province 12th Ranger Forces Regiment - Muang Saikeo County, Saqeo County 13th Ranger Forces Regiment - One Somboon County, Saquao County 14th Ranger Forces Regiment - Kanchanaburi Province Muang Khan Thanh Buri County Tambon Wandon 2nd Army - headquartered in Nakhon Ratchasima and is responsible for the northeastern quadrant. 21st Ranger Forces Regiment - Dear Sirie County, Loei County 22nd Ranger Forces Regiment - Fort Suranari, Mueang Nakhon Ratchasima District, Nakhon Ratchasima Province 23rd Ranger Forces Regiment - Kantarakul County, Nan Province 26th Ranger Forces Regiment - Nakhon Ratchasima County Puck Tong Chai County 3rd Army - headquartered in Phitsanulok, responsible for the northern and northwestern parts of the kingdom. 31st Ranger Forces Regiment - Phayao County Chienkam County 33rd Ranger Forces Regiment - Fort Ekathotsarot, Mueang Phitsanulok District, Phitsanulok Province 32nd Ranger Forces regiment - Muang Nan county in Narn province 35th Ranger Forces Regiment - Kam Payne Pet County Clone Lane County 36th Ranger Forces Regiment - Mae Hong Son County Mae Saarien County 4th Army - headquartered in Nakhon Si Thammarat, responsible for southern Thailand, engaged in the South Thailand insurgency. 41st Ranger Forces Regiment - Yarra County Rahman County 42nd Ranger Forces Regiment 43rd Ranger Forces Regiment - Nolathiwat County Choi Ai Lane County 45th Ranger Forces Regiment - Surat Thani County Baanna Thane County 46th Ranger Forces Regiment 47th Ranger Forces Regiment 48th Ranger Forces Regiment 49th Ranger Forces Regiment Marine Corps The Paramilitary Marine Regiment (Thahan Phran Marines) is organized as follows: Paramilitary Marine 16 Companies 1st Paramilitary Marine Company 2nd Paramilitary Marine Company 3rd Paramilitary Marine Company 4th Paramilitary Marine Company 5th Paramilitary Marine Company 6th Paramilitary Marine Company 7th Paramilitary Marine Company 8th Paramilitary Marine Company 9th Paramilitary Marine Company 10th Paramilitary Marine Company 11th Paramilitary Marine Company 12th Paramilitary Marine Company 13th Paramilitary Marine Company 14th Paramilitary Marine Company 15th Paramilitary Marine Company 16th Paramilitary Marine Company 1st Female Paramilitary