Temporal Naval Armaments Supplement Programme (Japan, 1940)

The is one of the armaments expansion plan 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).

Background

In October 1940, the IJN schemed building of the submarines and auxiliary vessels because there was a shortage of them.

Table of vessels

Category	Class	Vessel number(s)	Completed	Converted	Cancelled
Subchaser	No.13 No.13 class submarine chaser The was a class of submarine chasers of the Imperial Japanese Navy , serving during and after World War II. There were three sub classes, however the IJN's official document calls all of them the No.13 class.-Background:...	#184 – 194	No.17 (#184) to No.27 (#194)
Medium sized submarine	Ro-35	#201 – 209	Ro-35 (#201) to Ro-44 (#209)
Medium sized submarine	Ro-100 Ro-100 class submarine The was a medium size submarine of the Imperial Japanese Navy , serving during World War II. The IJN official designation for this class was or .-Construction:...	#210 – 218	Ro-100 (#210) to Ro-108 (#218)
Combat support ship	Ashizuri Ashizuri class combat support ship The was a class of two support ships of the Imperial Japanese Navy , serving during World War II.-Construction:In 1940, the IJN planned two support ship classes to help their aircraft carriers. One was the 4,500 ton Sunosaki class, the other one the 8,000 ton Ashizuri class...	#219 – 220	Ashizuri (#219), Shioya (#220)
Subchaser	No.13 No.13 class submarine chaser The was a class of submarine chasers of the Imperial Japanese Navy , serving during and after World War II. There were three sub classes, however the IJN's official document calls all of them the No.13 class.-Background:...	#221 – 232	No.28 (#221) to No.39 (#232)
Combat support ship	Sunosaki Sunosaki class combat support ship The was a class of two support ships of the Imperial Japanese Navy , serving during World War II.-Construction:In 1939, the IJN planned two support ship classes to help their aircraft carriers. One was the 8,000 ton Ashizuri class, the other one the 4,500 ton Sunosaki class...	#233 – 236	Takasaki (#233)		#234 – 236
Training cruiser	Katori Katori class cruiser The were originally ordered by the Imperial Japanese Navy to serve as training ships in the 1937 and 1939 Supplementary Naval budget. During the Pacific War, they were used as administrative flagships for various fleets, such as submarine command and control, and to command escort squadrons...	#237			#237
Motor torpedo boat	No.1	#241 – 246	No.1 (#241) to No.6 (#246)
Auxiliary minesweeper	Aux. No.1 No.1 class auxiliary minesweeper The was a class of minesweepwes of the Imperial Japanese Navy , serving during World War II. 22 vessels were planned and built in 1941–43 under the Maru Rin Programme and the Maru Kyū Programme .-Background:...	#251 – 256	Aux. No.1 (#251) to Aux. No.6 (#256)
Auxiliary minelayer	Aux. No.1 No.1 class auxiliary minelayer The was a class of minelayers of the Imperial Japanese Navy , serving during World War II. They were built to supplement timeworn the Sokuten-class. 4 vessels were built in 1941–42 under the Maru Rin Programme .-Background:...	#257 – 260	Aux. No.1 (#257) to Aux. No.4 (#260)
Food ship	Kinesaki Kinesaki class food ship The was a class of four reefer ships of the Imperial Japanese Navy , serving during and after the World War II. 11 vessels were plannned under the Maru 4 Programme, Maru Rin Programme and Kai-Maru 5 Programme , however, only 4 vessels were completed.-Construction:In 1939, the IJN planned two food...	#261 – 263	Hayasaki (#261), Shirasaki (#262), Arasaki (#263)

Background

Table of vessels

See also