The was a medium size submarine of the 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...

 (IJN), serving during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. The IJN official designation for this class was or .

Construction

Project number S45. In 1940, the IJN planned a point-defence

Point-defence

Point-defence is the defence of a single object or a limited area, e.g. a ship, building or an airfield, now usually against air attacks and guided missiles...

 submarine, because the IJN wanted to use their large-sized submarine for naval battles. 18 boats were built in 1941-1944 under the Maru Rin Programme

Temporal Naval Armaments Supplement Programme (Japan, 1940)

The is one of the armaments expansion plan of the Imperial Japanese Navy .-Background:In October 1940, the IJN schemed building of the submarines and auxiliary vessels because there was a shortage of them.-Table of vessels:-References:...

 (Boat #210-218) and the Maru Kyū Programme (Boat #400-408).

Boats

Boat #	Name	Builder	Laid down	Launched	Completed	Results	Fate
210	Ro-100	Kure Naval Arsenal	30-06-1941	06-12-1941	23-08-1942		Sunk by naval mine off Bougainville Island Bougainville Island Bougainville Island is the main island of the Autonomous Region of Bougainville of Papua New Guinea. This region is also known as Bougainville Province or the North Solomons. The population of the province is 175,160 , which includes the adjacent island of Buka and assorted outlying islands...  25-11-1943.
211	Ro-101	Kawasaki-Kōbe Shipyard	30-09-1941	17-04-1942	31-10-1942		Sunk by USS Saufley USS Saufley (DD-465) USS Saufley , a Fletcher-class destroyer, was a ship of the United States Navy named for Lieutenant Richard Saufley....  and PBY PBY Catalina The Consolidated PBY Catalina was an American flying boat of the 1930s and 1940s produced by Consolidated Aircraft. It was one of the most widely used multi-role aircraft of World War II. PBYs served with every branch of the United States Armed Forces and in the air forces and navies of many other...  at southeast of San Cristobal Makira The island of Makira is the largest island of Makira-Ulawa Province in the Solomon Islands. The island is located east of Guadalcanal and south of Malaita. The largest and capital city is Kirakira....  15-09-1943.
212	Ro-102	Kawasaki-Kōbe Shipyard	30-09-1941	17-04-1942	17-11-1942		Sunk by USS PT-150 and USS PT-152 at Milne Bay Milne Bay Milne Bay is a large bay in Milne Bay Province, southeastern Papua New Guinea. The bay is named after Sir Alexander Milne.The area was a site of the Battle of Milne Bay in 1942....  14-05-1943.
213	Ro-103	Kure Naval Arsenal	30-06-1941	06-12-1941	21-10-1942	Sank USS Aludra USS Aludra (AK-72) The USS Aludra was a Crater-class cargo ship in the service of the United States Navy in World War II. Named after the star Aludra in the constellation Canis Major, it was the first ship of the Navy to bear this name....  23-06-1943 Sank USS Deimos USS Deimos (AK-78) USS Deimos was a in the service of United States Navy in World War II. It was the first ship of the Navy to have borne the name Deimos, after one of the moons of Mars....  23-06-1943	Disappeared after 28-07-1943.
214	Ro-104	Kawasaki-Kōbe Shipyard	19-11-1941	11-07-1942	25-02-1943		Sunk by USS England USS England (DE-635) USS England , a of the United States Navy, was named in honor of Ensign John C. England , who was killed in action aboard the battleship during the Japanese attack on Pearl Harbor on 7 December 1941...  at north of Admiralty Islands Admiralty Islands The Admiralty Islands are a group of eighteen islands in the Bismarck Archipelago, to the north of New Guinea in the south Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island. These rainforest-covered islands form part of Manus Province, the smallest and...  23-05-1944.
215	Ro-105	Kawasaki-Kōbe Shipyard	19-11-1941	11-07-1942	05-03-1943		Sunk by USS England USS England (DE-635) USS England , a of the United States Navy, was named in honor of Ensign John C. England , who was killed in action aboard the battleship during the Japanese attack on Pearl Harbor on 7 December 1941...  at north of Admiralty Islands Admiralty Islands The Admiralty Islands are a group of eighteen islands in the Bismarck Archipelago, to the north of New Guinea in the south Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island. These rainforest-covered islands form part of Manus Province, the smallest and...  31-05-1944.
216	Ro-106 Japanese submarine Ro-106 Ro-106 was a Japanese Ro-100 class submarine which saw service during World War II in the Imperial Japanese Navy. Laid down at the Kure Naval Arsenal on 17 December 1941 and launched on 30 May 1942. Completed on 26 December 1942. She torpedoed and sunk off the Solomon Islands on 18 July 1943. Ro...	Kure Naval Arsenal	17-12-1941	30-05-1942	26-12-1942		Sunk by USS England USS England (DE-635) USS England , a of the United States Navy, was named in honor of Ensign John C. England , who was killed in action aboard the battleship during the Japanese attack on Pearl Harbor on 7 December 1941...  at north of Admiralty Islands Admiralty Islands The Admiralty Islands are a group of eighteen islands in the Bismarck Archipelago, to the north of New Guinea in the south Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island. These rainforest-covered islands form part of Manus Province, the smallest and...  22-05-1944.
217	Ro-107	Kure Naval Arsenal	17-12-1941	30-05-1942	26-10-1942		Sunk by USS Taylor USS Taylor (DD-468) USS Taylor was a Fletcher-class destroyer of the United States Navy, named for Rear Admiral William Rogers Taylor . She was laid down on 28 August 1941 at Bath, Maine, by the Bath Iron Works Corp.; launched on 7 June 1942, sponsored by Mrs. H. A...  at east of Kolombangara Kolombangara Kolombangara is an island in the New Georgia Islands group of the Solomon Islands in the southwestern Pacific Ocean...  21-07-1943.
218	Ro-108	Kawasaki-Kōbe Shipyard	20-04-1942	26-10-1942	20-04-1943	Sank USS Henley USS Henley (DD-391) USS Henley , a Bagley-class destroyer, was the 2nd ship of the United States Navy to be named for Captain Robert Henley, an officer in the United States Navy during the Quasi-War with France, the War of 1812 and the Second Barbary War....  03-10-1943	Sunk by USS England USS England (DE-635) USS England , a of the United States Navy, was named in honor of Ensign John C. England , who was killed in action aboard the battleship during the Japanese attack on Pearl Harbor on 7 December 1941...  at north of Admiralty Islands Admiralty Islands The Admiralty Islands are a group of eighteen islands in the Bismarck Archipelago, to the north of New Guinea in the south Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island. These rainforest-covered islands form part of Manus Province, the smallest and...  26-05-1944.
400	Ro-109	Kawasaki-Kōbe Shipyard	20-04-1942	26-10-1942	29-04-1943		Sunk by USS Horace A. Bass USS Horace A. Bass (APD-124) USS Horace A. Bass was a United States Navy high-speed transport in commission from 1944 to 1969.-Construction and commissioning:Originally projected as a Rudderow-class destroyer escort , Horace A...  at south of Okinawa Island Okinawa Island Okinawa Island is the largest of the Okinawa Islands and the Ryukyu Islands of Japan, and is home to Naha, the capital of Okinawa Prefecture. The island has an area of...  25-04-1945.
401	Ro-110	Kawasaki-Kōbe Shipyard	20-08-1942	26-01-1943	06-07-1943		Sunk by HMAS Launceston HMAS Launceston (J179) HMAS Launceston , named for the city of Launceston, Tasmania, was one of 60 Bathurst class corvettes constructed during World War II and one of 20 built for the Admiralty but manned by personnel of and commissioned into the Royal Australian Navy .-Construction:Launceston was laid down by Evans... , HMAS Ipswich and INS Jumna at Bay of Bengal Bay of Bengal The Bay of Bengal , the largest bay in the world, forms the northeastern part of the Indian Ocean. It resembles a triangle in shape, and is bordered mostly by the Eastern Coast of India, southern coast of Bangladesh and Sri Lanka to the west and Burma and the Andaman and Nicobar Islands to the...  12-02-1944.
402	Ro-111	Kawasaki-Kōbe Shipyard	20-08-1942	26-01-1943	10-07-1943	Sank RMS Peshawar 23-12-1943	Sunk by USS Taylor USS Taylor (DD-468) USS Taylor was a Fletcher-class destroyer of the United States Navy, named for Rear Admiral William Rogers Taylor . She was laid down on 28 August 1941 at Bath, Maine, by the Bath Iron Works Corp.; launched on 7 June 1942, sponsored by Mrs. H. A...  at north of Admiralty Islands Admiralty Islands The Admiralty Islands are a group of eighteen islands in the Bismarck Archipelago, to the north of New Guinea in the south Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island. These rainforest-covered islands form part of Manus Province, the smallest and...  10-06-1944.
403	Ro-112	Kawasaki-Senshū Shipyard	20-06-1942	25-03-1943	14-09-1943		Sunk by USS Batfish USS Batfish (SS-310) USS Batfish , is a Balao-class submarine, the first vessel of the United States Navy to be named for the batfish, a small pediculate fish resembling the stingray.-Construction and commissioning:...  at Luzon Strait Luzon Strait The Luzon Strait is the strait between the island country of Taiwan and Luzon island of the Philippines. The strait thereby connects the Philippine Sea to the South China Sea in the western Pacific Ocean....  11-02-1945.
404	Ro-113	Kawasaki-Senshū Shipyard	11-07-1942	24-04-1943	12-10-1943		Sunk by USS Batfish USS Batfish (SS-310) USS Batfish , is a Balao-class submarine, the first vessel of the United States Navy to be named for the batfish, a small pediculate fish resembling the stingray.-Construction and commissioning:...  at Luzon Strait Luzon Strait The Luzon Strait is the strait between the island country of Taiwan and Luzon island of the Philippines. The strait thereby connects the Philippine Sea to the South China Sea in the western Pacific Ocean....  12-02-1945.
405	Ro-114	Kawasaki-Senshū Shipyard	12-10-1942	19-06-1943	20-11-1943		Sunk by USS Melvin USS Melvin (DD-680) USS Melvin , a Fletcher-class destroyer, was the second ship of the United States Navy to be named for Lieutenant, junior grade John T. Melvin ....  and USS Wadleigh USS Wadleigh (DD-689) USS Wadleigh was a of the United States Navy, named for Rear Admiral George H. Wadleigh .Wadleigh was laid down on 5 April 1943 at Bath, Maine, by the Bath Iron Works; launched on 7 August 1943; sponsored by Miss Clara F. Wadleigh, daughter of RAdm. Wadleigh; and commissioned at the Boston Navy...  at east of Saipan Saipan Saipan is the largest island of the United States Commonwealth of the Northern Mariana Islands , a chain of 15 tropical islands belonging to the Marianas archipelago in the western Pacific Ocean with a total area of . The 2000 census population was 62,392...  17-06-1944.
406	Ro-115	Kawasaki-Senshū Shipyard	12-10-1942	19-06-1943	30-11-1943		Sunk by USS Jenkins USS Jenkins (DD-447) USS Jenkins was a World War II-era in the service of the United States Navy, the second ship named after Rear Admiral Thornton A. Jenkins.... , USS O'Bannon USS O'Bannon (DD-450) USS O'Bannon , a Fletcher-class destroyer, was the second ship of the United States Navy to be named for Lieutenant Presley O'Bannon , the Marine Corps's "hero of Derna"....  and USS Bell USS Bell (DD-587) USS Bell was a Fletcher-class destroyer of the United States Navy, the second Navy ship named for Rear Admiral Henry H. Bell ....  at west of Mindoro Mindoro Mindoro is the seventh-largest island in the Philippines. It is located off the coast of Luzon, and northeast of Palawan. The southern coast of Mindoro forms the northeastern extremum of the Sulu Sea.-History:...  01-02-1945.
407	Ro-116	Kawasaki-Senshū Shipyard	16-01-1943	13-09-1943	21-01-1944		Sunk by USS England USS England (DE-635) USS England , a of the United States Navy, was named in honor of Ensign John C. England , who was killed in action aboard the battleship during the Japanese attack on Pearl Harbor on 7 December 1941...  at north of Admiralty Islands Admiralty Islands The Admiralty Islands are a group of eighteen islands in the Bismarck Archipelago, to the north of New Guinea in the south Pacific Ocean. These are also sometimes called the Manus Islands, after the largest island. These rainforest-covered islands form part of Manus Province, the smallest and...  24-05-1944.
408	Ro-117	Kawasaki-Senshū Shipyard	16-01-1943	13-09-1943	31-01-1944		Sunk by USN patrol bomber at southeast of Saipan Saipan Saipan is the largest island of the United States Commonwealth of the Northern Mariana Islands , a chain of 15 tropical islands belonging to the Marianas archipelago in the western Pacific Ocean with a total area of . The 2000 census population was 62,392... 24-05-1944.