21st Infantry Regiment (Thailand)

21st Infantry Regiment, King's Guard
กรมทหารราบที่ 21 รักษาพระองค์
Emblem of the 21st Infantry Regiment, Queen's Guard
Active	1950-present
Country	Thailand
Branch	Royal Thai Army
Type	Infantry
Size	Regiment
Nickname(s)	Thahan Suea Rachini (ทหารเสือราชินี, the queen's tiger soldiers)
Website	myhome211.com

The 21st Infantry Regiment, Queen's Guard (Thai: กรมทหารราบที่ 21 รักษาพระองค์) (ร.21 รอ.) is a King's Guard regiment under the 2nd Infantry Division, King's Guard of the Royal Thai Army. The regiment was created in 1950. It is known as the Queen's Guard or Thahan Suea Rachini (Thai: ทหารเสือราชินี, translated as "Queen's Tiger Soldiers"). The regiment is based in Prachinburi.

The 21st regiment of the royal Thai armed forces or the Queen’s guard was founded on 22 September 1950 by the request of United Nation to establishment troops to help the Government of the Republic of Korea to inhibit the invasion of North Korea’s communist.

The regiment is divided into three infantry battalions:

The 21st regiment was approved from the Royal Thai Army to manage Queen’s guard training to reply the Queen’s order with the royal intention to provide special training for troops for the capability in any kind of operation in every topography.

The trainee must be serve under the crown in 21st regiment Queen’s guard or be allowed from the Royal Thai Army to attend the training.

Queen’s Tiger soldier manage training course in every 2 years which takes a total of 16 weeks.

Those who successfully complete all the tiger training course will receive a military capabilities plate from the Queen. The plate made of metal, decorated with the Purple Heart designate with the initial of Queen’s name. The lower part is a blue ribbon contain the phrase “Tiger Soldier”. On both side of the Purple Heart is decorate with the tigers soar above the mountain, wave and clouds.