was an iron-ribbed, wooden-hulled three-masted schooner

Schooner

A schooner is a type of sailing vessel characterized by the use of fore-and-aft sails on two or more masts with the forward mast being no taller than the rear masts....

 with an auxilitary coal-fired steam engine

Steam engine

A steam engine is a heat engine that performs mechanical work using steam as its working fluid.Steam engines are external combustion engines, where the working fluid is separate from the combustion products. Non-combustion heat sources such as solar power, nuclear power or geothermal energy may be...

 of the Bakumatsu and early Meiji period

Meiji period

The , also known as the Meiji era, is a Japanese era which extended from September 1868 through July 1912. This period represents the first half of the Empire of Japan.- Meiji Restoration and the emperor :...

, serving with the navy of Saga Domain

Saga Domain

Saga Domain was a han, or feudal domain, in Tokugawa period Japan. Largely contiguous with Hizen Province on Kyūshū, the domain was governed from Saga Castle in the capital city of Saga by the Nabeshima clan of tozama daimyō...

, and later with the fledgling Imperial Japanese Navy

Imperial Japanese Navy

The Imperial Japanese Navy was the navy of the Empire of Japan from 1869 until 1947, when it was dissolved following Japan's constitutional renunciation of the use of force as a means of settling international disputes...

.

Service under Saga Domain

Moshun Maru was built in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 originally as the gunboat

Gunboat

A gunboat is a naval watercraft designed for the express purpose of carrying one or more guns to bombard coastal targets, as opposed to those military craft designed for naval warfare, or for ferrying troops or supplies.-History:...

 Eugenie in 1867. She was purchased by Saga Domain and handed over at Nakasaki in February 1868 where she was renamed Moshun Maru. Initially assigned to be an armed cargo vessel, she transported supplies and troops from Nagasaki to Osaka

Osaka

is a city in the Kansai region of Japan's main island of Honshu, a designated city under the Local Autonomy Law, the capital city of Osaka Prefecture and also the biggest part of Keihanshin area, which is represented by three major cities of Japan, Kyoto, Osaka and Kobe...

, and later the Edo

Edo

, also romanized as Yedo or Yeddo, is the former name of the Japanese capital Tokyo, and was the seat of power for the Tokugawa shogunate which ruled Japan from 1603 to 1868...

 in support of the Satchō Alliance

Satcho Alliance

The ', or Satchō Alliance was a military alliance between the feudal domains of Satsuma and Chōshū formed in 1866 to combine their efforts to overthrow the Tokugawa shogunate of Japan....

 in the Boshin War

Boshin War

The was a civil war in Japan, fought from 1868 to 1869 between forces of the ruling Tokugawa shogunate and those seeking to return political power to the imperial court....

 of the Meiji Restoration

Meiji Restoration

The , also known as the Meiji Ishin, Revolution, Reform or Renewal, was a chain of events that restored imperial rule to Japan in 1868...

. In March 1869, she was assigned to the expedition against the last renmants of the pro-Tokugawa shogunate

Tokugawa shogunate

The Tokugawa shogunate, also known as the and the , was a feudal regime of Japan established by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family. This period is known as the Edo period and gets its name from the capital city, Edo, which is now called Tokyo, after the name was...

 forces in Hokkaidō

Hokkaido

, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...

, where they had formed the Republic of Ezo

Republic of Ezo

The ' was a short-lived state established by former Tokugawa retainers in what is now known as Hokkaidō, the large but sparsely populated northernmost island in modern Japan.-Background:...

. While at Miyako Bay

Miyako, Iwate

is a city located in Iwate, Japan.It was founded on February 11, 1941.The city lies along the coast where the flows into the Pacific Ocean. It is connected to Morioka by an east-west train line and highway and the coastal highway also goes through the town...

, the expedition suffered a surprise attack by the Tokugawa naval ship . The encounter has been named the Naval Battle of Miyako Bay. She later participated in the Naval Battle of Hakodate Bay in May 1869, until the surrender of the last forces of the Republic of Ezo. However, in 1869 she also was grounded off the coast of Iwate

Iwate Prefecture

is the second largest prefecture of Japan after Hokkaido. It is located in the Tōhoku region of Honshū island and contains the island's easternmost point. The capital is Morioka. Iwate has the lowest population density of any prefecture outside Hokkaido...

, having been hit by a tsunami

Tsunami

A tsunami is a series of water waves caused by the displacement of a large volume of a body of water, typically an ocean or a large lake...

, but was later refloated.

Service under the Imperial Japanese Navy

Moshun Maru was transferred on June 3, 1868 from Saga Domain to the Meiji government and assigned to the newly formed Imperial Japanese Navy, and was renamed Moshun on July 9. She was one of the ships assigned to the Taiwan Expedition of 1874

Taiwan Expedition of 1874

The , usually referred to in Taiwan and mainland China as the Mudan incident , was a punitive expedition launched by the Japanese in retaliation for the murder of 54 Ryukyuan sailors by Paiwan aborigines near the southwestern tip of Taiwan in December 1871...

. During the Ganghwa Island incident

Ganghwa Island incident

The Ganghwa Island incident or the Japanese Battle of Ganghwa , was an armed encounter between the Joseon Dynasty and Japan which occurred in the vicinity of Ganghwa Island on September 20, 1875.-Background:...

 of 1875, she assisted Kasuga

Japanese warship Kasuga (1862)

was a Japanese wooden paddle steamer warship of the Bakumatsu and early Meiji period, serving with the navy of Satsuma Domain, and later with the fledgling Imperial Japanese Navy.-Service in the Boshin War:...

 in the blockade the port of Busan

Busan

Busan , formerly spelled Pusan is South Korea's second largest metropolis after Seoul, with a population of around 3.6 million. The Metropolitan area population is 4,399,515 as of 2010. It is the largest port city in South Korea and the fifth largest port in the world...

. In 1877, she participated in the suppression of the Satsuma Rebellion

Satsuma Rebellion

The was a revolt of Satsuma ex-samurai against the Meiji government from January 29 to September 24, 1877, 9 years into the Meiji Era. It was the last, and the most serious, of a series of armed uprisings against the new government.-Background:...

.

From 1879-1882, she was used primarily as a survey ship. From 1882, Moshun was assigned to patrols of the coast of Korea

Korea

Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...

, as part of a show of strength by the Japanese government in response to the burning of the Japanese embassy in Seoul

Seoul

Seoul , officially the Seoul Special City, is the capital and largest metropolis of South Korea. A megacity with a population of over 10 million, it is the largest city proper in the OECD developed world...

 during the Imo Incident

Imo Incident

The Imo Incident, also known as Imo mutiny, was a military revolt of some units of the Korean military in Incheon on July 23, 1882.-Background:A variety of causes for this brief disturbance have been put forward...

. She was demobilized and transferred from the Imperial Japanese Navy to the Ministry of Communications

Ministry of Posts and Telecommunications (Japan)

The was one of the ministries in the Japanese government. In 2001, the ministry was merged with other ministries to form the Ministry of Internal Affairs and Communications....

on October 8, 1887 to serve as a training vessel for commercial sailors. She was scrapped in July 1897.