Tenryū was the lead ship in the two-ship Tenryū class of light cruisers of the Imperial Japanese Navy. Tenryū was named after the Tenryū River in Nagano and Shizuoka prefectures.
Noshiro (能代) was an Agano-class cruiser which served with the Imperial Japanese Navy (IJN) during World War II. She was named after the Noshiro River in Akita Prefecture in northern Japan.
Mogami (最上) was the lead ship in the four-vessel Mogami class of heavy cruisers in the Imperial Japanese Navy. She was named after the Mogami River in Tōhoku region of Japan. The Mogami-class ships were constructed as "light cruisers" with five triple 155-millimetre (6.1 in) dual purpose guns. They were exceptionally large for light cruisers, and the barbettes for the main battery were designed for quick refitting with twin 8-inch (203 mm) guns. In 1937 all four ships were "converted" to heavy cruisers in this fashion. Mogami served in numerous combat engagements in World War II, until she was sunk at the Battle of Leyte Gulf in October 1944.
Kumano (熊野) was one of four Mogami class of heavy cruisers in the Imperial Japanese Navy, serving in World War II. She was named after the Kumano River Kii Peninsula on the island of Honshu in central Japan. The Mogami-class ships were constructed as "light cruisers" with five triple 6.1-inch dual purpose guns. They were exceptionally large for light cruisers, and the barbettes for the main battery were designed for quick refitting with twin 8-inch guns. In 1937 all four ships were "converted" to heavy cruisers in this fashion. Kumano served in numerous combat engagements in the Pacific War, until she was eventually sunk by carrier aircraft from Task Force 38 while she was undergoing repairs at Santa Cruz, Zambales, Philippines, in November 1944.
Nagara (長良) was the lead ship of her class of light cruiser in the Imperial Japanese Navy. She was named after the Nagara River in the Chūbu region of Japan.
Samidare was the fifth of ten Shiratsuyu-class destroyers, built for the Imperial Japanese Navy under the Circle One Program.
Asagumo was the fifth of ten Asashio-class destroyers built for the Imperial Japanese Navy in the mid-1930s under the Circle Two Supplementary Naval Expansion Program.
Kinu (鬼怒) was the fifth of the six ships completed Nagara-class light cruiser in the Imperial Japanese Navy, named after the Kinu River in Tochigi prefecture Japan. She was active in World War II in various campaigns in Malaya, the Dutch East Indies and New Guinea before being sunk by United States Navy carrier-based aircraft in the Philippines in 1944.
Kuroshio was the third vessel to be commissioned in the 19-vessel Kagerō-class destroyers built for the Imperial Japanese Navy in the late-1930s under the Circle Three Supplementary Naval Expansion Program.
Shiranui was the second vessel to be commissioned in the 19-vessel Kagerō-class destroyers built for the Imperial Japanese Navy in the late 1930s under the Circle Three Supplementary Naval Expansion Program.
Oyashio was the fourth vessel to be commissioned in the 19-vessel Kagerō-class destroyers built for the Imperial Japanese Navy in the late 1930s under the Circle Three Supplementary Naval Expansion Program.
Shiratsuyu was the lead ship of ten Shiratsuyu-class destroyers, and first of six to be built for the Imperial Japanese Navy under the Circle One Program.
Michishio was the third of ten Asashio-class destroyers built for the Imperial Japanese Navy in the mid-1930s under the Circle Two Supplementary Naval Expansion Program.
Kasumi was the ninth of ten Asashio-class destroyers built for the Imperial Japanese Navy in the mid-1930s under the Circle Two Supplementary Naval Expansion Program.
Chitose (千歳) was a warship of the Imperial Japanese Navy that served from 1938 to 1944, seeing service as a seaplane carrier and later as a light aircraft carrier during World War II. In her initial guise as a seaplane carrier, she first saw service during the Second Sino-Japanese War in 1938, and subsequently played a key role in the Imperial Japanese Navy's development of a network of seaplane bases on the islands of the Pacific Ocean. After the outbreak of World War II in the Pacific, she took part in the Philippines campaign, the Dutch East Indies campaign, the Battle of Midway, and the Guadalcanal campaign, during which she was damaged in the Battle of the Eastern Solomons and also saw service related to the Battle of Cape Esperance.
Chiyoda was a light aircraft carrier of the Imperial Japanese Navy during World War II. Originally constructed as the second vessel of the Chitose-class seaplane tenders in 1934, she continued to operate in that capacity during the Second Sino-Japanese War and the early stages of the Pacific War until her conversion into a light aircraft carrier after the Battle of Midway. She was sunk during the Battle of Leyte Gulf by a combination of naval bombers, cruiser shellfire and destroyer-launched torpedoes.
I-16 was one of five Type C cruiser submarines of the C1 sub-class built for the Imperial Japanese Navy, Commissioned in 1940, she deployed a midget submarine for the attack on Pearl Harbor and for an attack on ships at Diego-Suarez in Madagascar, conducted an anti-shipping patrol in the Indian Ocean, and took part in the Guadalcanal campaign, New Guinea campaign, and Bougainville campaign before she was sunk in May 1944.
I-72, later I-172, was a Kaidai-class cruiser submarine of the KD6 sub-class built for the Imperial Japanese Navy (IJN) during the 1930s. She served in the early months of World War II, supporting the attack on Pearl Harbor, patrolling in Hawaiian waters in early 1942, and taking part in the Guadalcanal campaign before she was sunk in November 1942.
I-71, later I-171, was a Kaidai-class cruiser submarine of the KD6 sub-class built for the Imperial Japanese Navy during the 1930s. She served in World War II, and took part in operations supporting the attack on Pearl Harbor, the Battle of Midway, and the Aleutian Islands campaign. She was sunk in February 1944.
I-18 was one of five Type C cruiser submarines of the C1 sub-class built for the Imperial Japanese Navy. During World War II, she operated as the mother ship for a midget submarine during the attack on Pearl Harbor and the attack of Diego-Suarez, conducted a war patrol in the Indian Ocean, and served in the Guadalcanal campaign before she was sunk in February 1943.
Japan
