was a small

minelayer A minelayer is any warship, submarine, military aircraft or land vehicle deploying explosive mines. Since World War I the term "minelayer" refers specifically to a naval ship used for deploying naval mines. "Mine planting" was the term for ins ...

of the

Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, Potsdam Declaration, when it was dissolved followin ...

, which was in service during the

Second Sino-Japanese War The Second Sino-Japanese War was fought between the Republic of China (1912–1949), Republic of China and the Empire of Japan between 1937 and 1945, following a period of war localized to Manchuria that started in 1931. It is considered part ...

and

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

primarily as an escort vessel. She was named after the

Yaeyama Islands The Yaeyama Islands (八重山列島 ''Yaeyama-rettō'', also 八重山諸島 ''Yaeyama-shotō'', Yaeyama: ''Yaima'', Yonaguni: ''Daama'', Okinawan: ''Yeema'', Northern Ryukyuan: ''Yapema'') are an archipelago in the southwest of Okinawa Pref ...

in the

Ryukyu Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Geography of Taiwan, Taiwan: the Ryukyu Islands are divided into the Satsunan Islands (Ōsumi Islands, Ōsumi, Tokara Islands, Tokara and A ...

chain. She was the first Japanese warship built with an all-welded hull.

Background and construction

The Imperial Japanese Navy budget for Fiscal 1927 include a small minelayer for coastal and river service to complement its larger minelayers, the former

cruiser A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several operational roles from search-and-destroy to ocean escort to sea ...

s , and . ''Yaeyama'' was launched by the

Kure Naval Arsenal was one of four principal naval shipyards owned and operated by the Imperial Japanese Navy. History The Kure Naval District was established at Kure, Hiroshima in 1889, as the second of the naval districts responsible for the defense of the ...

in Hiroshima Prefecture, Japan on 15 October 1931, and was commissioned into service on 31 August 1932.

Operational history

On completion, ''Yaeyama'' was assigned to the

Sasebo Naval District was the third of five main administrative districts of the pre-war Imperial Japanese Navy. Its territory included the western and southern coastline of Kyūshū, the Ryukyu Islands, Taiwan and Korea, as well as patrols in the East China Sea and t ...

. In August 1937, following the Marco Polo Bridge Incident and the start of the

, ''Yaeyama'' was assigned as

flagship A flagship is a vessel used by the commanding officer of a group of navy, naval ships, characteristically a flag officer entitled by custom to fly a distinguishing flag. Used more loosely, it is the lead ship in a fleet of vessels, typically ...

for Admiral Tanimoto’s 11th Gunboat Division, at

Shanghai Shanghai, Shanghainese: , Standard Chinese pronunciation: is a direct-administered municipality and the most populous urban area in China. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the ...

and was responsible for patrols on the

Yangzi River The Yangtze or Yangzi ( or ) is the longest river in Eurasia and the third-longest in the world. It rises at Jari Hill in the Tanggula Mountains of the Tibetan Plateau and flows including Dam Qu River the longest source of the Yangtze, i ...

. ''Yaeyama'' covered the landing of

Japanese Special Naval Landing Forces The Special Naval Landing Forces (SNLF; ) were standalone naval infantry units in the Imperial Japanese Navy (IJN) and were a part of the IJN land forces. They saw extensive service in the Second Sino-Japanese War and in the Pacific theatre o ...

(SNLF) reinforcements in the

Battle of Shanghai The Battle of Shanghai ( zh, t=淞滬會戰, s=淞沪会战, first=t, p=Sōng hù huìzhàn) was a major battle fought between the Empire of Japan and the Republic of China (1912–1949), Republic of China in the Chinese city of Shanghai during ...

, and participated in the evacuation of 20,000 Japanese civilians and non-combatants from the city back to Japan. She was then placed on the reserve list on 1 December 1937. ''Yaeyama'' was reactivated on 25 May 1938 and assisted in covering the landings of more Japanese troops in

Tianjin Tianjin is a direct-administered municipality in North China, northern China on the shore of the Bohai Sea. It is one of the National Central City, nine national central cities, with a total population of 13,866,009 inhabitants at the time of the ...

and along the Yangzi River in July. She was then assigned to

Amoy Xiamen,), also known as Amoy ( ; from the Zhangzhou Hokkien pronunciation, zh, c=, s=, t=, p=, poj=Ē͘-mûi, historically romanized as Amoy, is a sub-provincial city in southeastern Fujian, People's Republic of China, beside the Taiwan Stra ...

from 26 September 1939 until her transfer to

Palau Palau, officially the Republic of Palau, is an island country in the Micronesia subregion of Oceania in the western Pacific Ocean. The Republic of Palau consists of approximately 340 islands and is the western part of the Caroline Islands ...

on 1 December 1941. At the time of the

attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Empire of Japan on the United States Pacific Fleet at Naval Station Pearl Harbor, its naval base at Pearl Harbor on Oahu, Territory of ...

in December 1941, ''Yaeyama'' was assigned to “Operation M” (the invasion of the southern

Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...

) deploying from Palau to mine the

Surigao Strait Surigao Strait (Filipino: ''Kipot ng Surigaw'') is a strait in the southern Philippines, between the Bohol Sea and Leyte Gulf of the Philippine Sea. Geography It is located between the regions of Visayas and Mindanao. It lies between northern ...

. On 3 January 1942, she became flagship for Admiral Rokuzo Sugiyama’s Third Southern Expeditionary Fleet and covered landings at

Subic Bay Subic Bay is a bay on the west coast of the island of Luzon in the Philippines, about northwest of Manila Bay. An extension of the South China Sea, its shores were formerly the site of a major United States Navy facility, U.S. Naval Base Subi ...

. While at Subic May on 1 February, she was attacked unsuccessfully by USS ''PT-32''. ''Yaeyama'' was based at

Manila Manila, officially the City of Manila, is the Capital of the Philippines, capital and second-most populous city of the Philippines after Quezon City, with a population of 1,846,513 people in 2020. Located on the eastern shore of Manila Bay on ...

from July 1942 under the overall command of the

Southwest Area Fleet The was a fleet of the Imperial Japanese Navy established during World War II. History The Southwest Area Fleet was an operational command of the Imperial Japanese Navy established on April 10, 1942, to coordinate naval, air, and ground forces ...

. ''Yaeyama'' was refit at Cavite Naval Yards as an anti-submarine convoy escort ship in December 1943, with all minelaying rails removed and replaced by 36

depth charge A depth charge is an anti-submarine warfare (ASW) weapon designed to destroy submarine A submarine (often shortened to sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited ...

s, and was reassigned to the First Southern Expeditionary Fleet. She escorted a convoy of transports from Manila to

Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...

in January 1944, and a convoy from Manila to Halmahera Island in May 1944. On the early morning of 24 September 1944 ''Yaeyama'' was sunk after being hit by at least ten bombs during an air attack by 96

Grumman F6F Hellcat The Grumman F6F Hellcat is an American Carrier-based aircraft, carrier-based fighter aircraft of World War II. Designed to replace the earlier Grumman F4F Wildcat, F4F Wildcat and to counter the Japanese Mitsubishi A6M Zero, it was the United St ...

and 24

Curtiss SB2C Helldiver The Curtiss SB2C Helldiver was a dive bomber developed by Curtiss-Wright during World War II. As a carrier-based bomber with the United States Navy (USN), in Pacific theaters, it supplemented and replaced the Douglas SBD Dauntless. A few su ...

aircraft from the carriers and and the light carrier while anchored in Coron Bay, Busuanga Island, off

Palawan Island Palawan () is the largest island of the province of Palawan in the Philippines and fifth-largest by area and tenth-most populous island of the country, with a total population of 994,101 as of 2020 census. The northwest coast of the island is a ...

in the Philippines at . Most of the crew survived, including her commanding officer, Captain Michizo Tsutsumi. ''Yaeyama'' was removed from the

navy list A Navy Directory, Navy List or Naval Register is an official list of naval officers, their ranks and seniority, the ships which they command or to which they are appointed, etc., that is published by the government or naval authorities of a co ...

on 10 November 1944.

Citations

References

* * * *

External links

*
Monograph 144 Chapter II
* {{DEFAULTSORT:Yaeyama Minelayers of the Imperial Japanese Navy Second Sino-Japanese War naval ships of Japan World War II mine warfare vessels of Japan Ships sunk by US aircraft Ships built by Kure Naval Arsenal 1931 ships Maritime incidents in September 1944 Shipwrecks in the Sulu Sea