It has a structure that includes the naval fleet, Royal Thai Marine Corps, and Air and Coastal Defence Command.

During the era of Taksin the Great, his army successfully sieged the old capital of Ayutthaya with the help of the Chinese shipwrights who are masters of building war junks, which carried more guns than riverine warcrafts.

[3]: 263  Peace was restored on 3 October 1893 after the British put pressure on both the Siamese and French to reach a negotiated settlement.

The war did, however, provide an opportunity for King Rama VI to strengthen his country's position in the international arena.

[2][5] Siamese sailors were part of a volunteer expeditionary force, consisting of medical, motor transport, and aviation detachments.

[7] The Battle of Ko Chang took place on 17 January 1941 during the Franco-Thai War in which a flotilla of French warships attacked a smaller force of Thai vessels, including a coastal defence ship.

[8] The HTMS Thonburi was heavily damaged and grounded on a sand bar at the mouth of the Chanthaburi River, with about 20 dead.

On 14 April 1945, five months before the Japanese surrender, Bangkok's Samsen and Wat Liab Power Plants were bombed by the Allies, leaving the city without electricity.

[12] During the Manhattan Rebellion of 1951, the navy was involved in a failed coup against Prime Minister Plaek Phibunsongkhram which led to the sinking of flagship HTMS Sri Ayudhya.

The naval commander in chief is supported by staff groups that plan and administer such activities as logistics, education and training, and various special services.

As ships grew larger, King Chulalongkorn ordered the construction of a large wooden dock.

[19][20] The Naval Special Warfare Command was set up as an underwater demolition assault unit in 1956 with the assistance of the US.

The rescue team successfully extricated members of 12 junior football players and their coach, who were trapped in Tham Luang Nang Non Cave in Chiang Rai Province in July 2018.

The Royal Thai Navy RTN Riverine Patrol Regiment keeps the peace, prevents illegal immigration, human trafficking, drug smuggling or any other threats to national security on the Chao Phraya and Mekong Rivers and elsewhere.

Cadets graduate with a bachelor's degree in engineering or science and are commissioned in the Royal Thai Navy with the rank of ensign (sub-lieutenant).

Selected first-year cadets of the RTNA are awarded scholarships to study at naval academies abroad.

On their return to Thailand they start working as officers in the Royal Thai Navy straightaway.

The Naval Medical Department was first set up on 1 April 1890 and is headquartered at Somdech Phra Pinklao Hospital in Bangkok.

Its began with the creation of the "Naval Trumpet Band" on 10 June 1878, with the arrival of the new royal yacht Vesatri and her captain, M. Fusco, who later was one of the training instructors.

The government assigned the young ensemble under the command of Captain Fusco to the Royal Yacht Maha Chakri' for the voyage to Europe.

This band would later become the basis of the Royal Thai Navy Music Division of the RTN Bangkok Naval Base.

The Royal Barge Procession takes place rarely, marking only the most significant cultural and religious events.

She was built during the reign of HM King Rama IX Bhumibol Adulyadej, who laid the keel in 1994.

Thus Narai Song Suban HM King Rama IX was launched on 6 May 1996 to be commissioned and coincide with the celebration of the 50 anniversary of Bhumibol Adulyadej's accession to the throne.