31 Aug 1913

Japan
  • Prince Hiroyasu was promoted to the rank of rear admiral and was named the commanding officer of the Yokosuka Military District. ww2dbase [Main Article | CPC]
20 Sep 1913

Photo(s) dated 20 Sep 1913
Japanese battlecruiser Hiei fitting out at Yokosuka, Japan, 20 Sep 1913
20 Oct 1915

Photo(s) dated 20 Oct 1915
Yamashiro under construction in the No. 2 dock at Yokosuka, Japan, 20 Oct 1915
7 May 1917

Japan
4 Jul 1917

Photo(s) dated 4 Jul 1917
Yamashiro moored off Yokosuka, Japan, 4 Jul 1917
11 Mar 1918

Japan
29 Aug 1920

Japan
29 Mar 1922

Photo(s) dated 29 Mar 1922
7F.1 Snipe biplane immediately after being launched by the catapult of battleship Yamashiro, off Yokosuka, Japan, 29 Mar 1922
5 Feb 1923

Photo(s) dated 5 Feb 1923
Carrier Hosho off Yokosuka, Japan, 5 Feb 1923; note 1MF Type 10 aircraft on flight deck
3 Sep 1923

Photo(s) dated 3 Sep 1923
Aerial view of Yokosuka Naval Arsenal several days after the Great Kanto Earthquake of 1923, 3 or 4 Sep 1923; note battlecruiser Amagi in drydockAerial view of Yokosuka Naval Arsenal days after the Great Kanto Earthquake, 3 or 4 Sep 1923
6 Jun 1924

Japan
20 Aug 1924

Japan
15 Aug 1927

Photo(s) dated 15 Aug 1927
Carrier Akagi and battleship Nagato at Yokosuka Naval Arsenal, Japan, 15 Aug 1927
20 Nov 1928

Photo(s) dated 20 Nov 1928
Carrier Kaga at Yokosuka Naval Arsenal, Japan, 20 Nov 1928
20 Jul 1931

Photo(s) dated 20 Jul 1931
Kongo under reconstruction, Yokosuka, Japan, 20 Jul 1931; she was nearing completion
20 Oct 1931

Photo(s) dated 20 Oct 1931
Carrier Ryujo under construction in Drydock No. 5, Yokosuka, Japan, 20 Oct 1931
1 Dec 1931

Japan
  • Admiral Kichisaburo Nomura was named the commanding officer of Yokosuka Naval District. ww2dbase [Main Article | CPC]
20 Apr 1932

Photo(s) dated 20 Apr 1932
Yamashiro undergoing reconstruction, Yokosuka, Japan, 20 Apr 1932
10 Oct 1932

Japan
  • Admiral Kichisaburo Nomura was named the commanding officer of Yokosuka Naval District. ww2dbase [Main Article | CPC]
20 Mar 1933

Photo(s) dated 20 Mar 1933
Carrier Ryujo in Yokosuka Naval Arsenal, Japan, 20 Mar 1933; note 12.7cm anti-aircraft guns
1 Jun 1934

Japan
5 Sep 1934

Japan
20 Oct 1934

Photo(s) dated 20 Oct 1934
Yamashiro undergoing reconstruction, Yokosuka, Japan, 20 Oct 1934
27 Jan 1935

Photo(s) dated 27 Jan 1935
Yamashiro moored off Yokosuka, Japan, 27 Jan 1935
30 Sep 1936

Japan
28 Feb 1938

Japan
30 May 1939

Photo(s) dated 30 May 1939
The chief shipbuilders of carrier Shokaku posing with the hull of the ship two days prior to launching, Yokosuka, Japan, 30 May 1939
1 Jun 1939

Photo(s) dated 1 Jun 1939
Launching of Shokaku from the second construction slip of Yokosuka Naval Arsenal, Japan, 1430 hours on 1 Jun 1939
4 May 1940

Japan
5 Sep 1940

Japan
15 Nov 1940

Japan
10 Apr 1941

Japan
  • Akagi became the flagship of the newly organized First Air Fleet and assigned to Carrier Division 1. She spent the next few weeks in and around Yokosuka, Japan and off Kyushu. ww2dbase [Main Article | Tabular Record of Movement | CPC]
1 Jul 1941

Japan
8 Jul 1941

Japan
8 Aug 1941

Japan
8 Sep 1941

Japan
10 Sep 1941

Japan
  • Shokaku became the flagship of Carrier Division 5. She would remain at Yokosuka, Japan for the rest of the month. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • Koichi Shiozawa stepped down as the commanding officer of the Yokosuka Naval District, Japan. ww2dbase [Main Article | CPC]
14 Oct 1941

Japan
  • Tatsuta Maru was acquired by the Japanese Navy and was assigned to the Yokosuka Naval District, Japan. Her civilian crew was replaced by that from the military. ww2dbase [Main Article | Tabular Record of Movement | CPC]
11 Nov 1941

Japan
  • Ten Japanese submarines departed from Yokosuka Naval Base in Japan for Kwajalein of the Marshall Islands, where they would proceed for US Territory of Hawaii. ww2dbase [Main Article | CPC]
21 Nov 1941

Japan
  • Japanese Navy acquired luxury ocean liner Hikawa Maru for use as a hospital ship; Hikawa Maru was assigned to the Yokosuka Naval District, Japan. ww2dbase [Main Article | Tabular Record of Movement | CPC]
23 Dec 1941

Japan
17 Jan 1942

Japan
3 Feb 1942

Japan
16 Feb 1942

Japan
22 Feb 1942

Japan
27 Feb 1942

Japan
5 Mar 1942

Japan
7 Mar 1942

Japan
16 Mar 1942

Japan
17 Mar 1942

Japan
21 Mar 1942

Japan
5 Apr 1942

Japan
18 Apr 1942

Japan Photo(s) dated 18 Apr 1942
Aerial view of the naval base at Yokosuka, Japan, 18 Apr 1942, photo 1 of 2; photo taken by one of the Doolittle raidersAerial view of the naval base at Yokosuka, Japan, 18 Apr 1942, photo 2 of 2; photo taken by one of the Doolittle raiders
22 Apr 1942

Japan
25 Apr 1942

Japan
29 Apr 1942

Japan
15 May 1942

Japan
22 May 1942

Japan
12 Jun 1942

Japan
15 Jun 1942

Japan
19 Jun 1942

Japan
22 Jun 1942

Japan
23 Jun 1942

Japan
11 Jul 1942

Japan
  • Destroyer Yukikaze departed Yokosuka, Japan to escort transport Nankai Maru to Rabaul, New Britain, Bismarck Islands. ww2dbase [Main Article | CPC]
14 Jul 1942

Japan
24 Jul 1942

Japan
30 Jul 1942

Japan
1 Aug 1942

Japan
2 Aug 1942

Japan
11 Aug 1942

Japan
12 Aug 1942

Japan
  • In Yokosuka, Japan, Saburo Sakai underwent surgery for the wound sustained during combat over Guadalcanal, Solomon Islands on 8 Aug 1942. ww2dbase [Main Article | CPC]
20 Sep 1942

Japan
26 Sep 1942

Japan
18 Oct 1942

Japan
22 Oct 1942

Japan
6 Nov 1942

Japan
21 Nov 1942

Japan
29 Nov 1942

Japan
11 Dec 1942

Japan
  • Light carrier Ryuho departed Yokosuka, Japan for Truk, Caroline Islands, escorted by destroyer Tokitsukaze. She had on board 20 light bombers and their pilots. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • Tatsuta Maru was re-requisitioned by the Japanese Navy and was attached to the Yokosuka Naval District, Japan. ww2dbase [Main Article | Tabular Record of Movement | CPC]
14 Dec 1942

Japan
16 Dec 1942

Japan
25 Dec 1942

Japan
5 Jan 1943

Japan
29 Jan 1943

Japan
30 Jan 1943

Japan
1 Feb 1943

Japan
3 Feb 1943

Japan
5 Feb 1943

Japan
10 Feb 1943

Japan
18 Feb 1943

Japan
  • Destroyer Yuzuki departed Yokosuka, Japan for the Central Pacific. ww2dbase [Main Article | CPC]
25 Feb 1943

Japan
2 Mar 1943

Japan
5 Mar 1943

Japan
19 Mar 1943

Japan
8 Apr 1943

Japan
18 Apr 1943

Japan
22 Apr 1943

Japan
25 Apr 1943

Japan
3 May 1943

Japan
9 May 1943

Japan
11 May 1943

Japan
13 May 1943

Japan
21 May 1943

Japan
  • Yamato was drydocked at Yokosuka, Japan for inspection and repairs. ww2dbase [Main Article | Facility | Tabular Record of Movement | CPC]
  • Shokaku arrived at Yokosuka, Japan with Cruiser Division 7 from Tokuyama, Japan. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • One month after the death of Admiral Isoroku Yamamoto, who had been killed when the aircraft in which he was travelling on a tour of inspection was shot down by US fighters over Bougainville Island, the news was finally revealed to the Japanese public. At Yokosuka, Japan, senior Japanese naval officers led by the Emperor, in person, trooped aboard the battleship Musashi to pay their last respects to Yamamato. Along with the late Admiral's ashes, contained in a small white box, was a poem by the Admiral that had been found in his sea-cabin on the battleship Yamato. It began: "So many are dead, I cannot face the Emperor... soon I shall join the young dead soldiers." ww2dbase [Main Article | CPC, AC]
30 May 1943

Japan
31 May 1943

Japan
11 Jun 1943

Japan
13 Jun 1943

Japan
16 Jun 1943

Japan
  • Light carrier Ryuho departed Yokosuka, Japan for Truk, Caroline Islands. ww2dbase [Main Article | Tabular Record of Movement | CPC]
  • Destroyer Yukikaze departed Yokosuka, Japan to escort a task force to Truk, Caroline Islands. ww2dbase [Main Article | CPC]
28 Jun 1943

Japan
18 Jul 1943

Japan
28 Jul 1943

Japan
1 Sep 1943

Japan
9 Sep 1943

Japan
18 Sep 1943

Japan
25 Sep 1943

Japan
4 Oct 1943

Japan
4 Nov 1943

Japan
14 Nov 1943

Japan
15 Nov 1943

Japan
16 Nov 1943

Japan
25 Nov 1943

Japan
  • Destroyer Yuzuki arrived at Yokosuka, Japan for a scheduled overhaul. ww2dbase [Main Article | Facility | CPC]
26 Nov 1943

Japan
7 Dec 1943

Japan
  • Destroyer Yuzuki was refitted at the Ishikawa Shipyard and the Yokosuka Naval Arsenal, Japan. ww2dbase [Main Article | Facility | CPC]
14 Dec 1943

Japan
17 Dec 1943

Japan
20 Dec 1943

Japan
27 Dec 1943

Japan
4 Jan 1944

Japan
11 Jan 1944

Japan
17 Jan 1944

Japan
19 Jan 1944

Japan
22 Jan 1944

Japan
  • Destroyer Yuzuki completed her refitting at Ishikawa Shipyard and the Yokosuka Naval Arsenal, Japan. Her aft torpedo mount and two of her four main guns were removed in exchange for additional anti-aircraft machine guns and improved underwater sound detection equipment. ww2dbase [Main Article | Facility | CPC]
14 Feb 1944

Japan
20 Feb 1944

Japan
27 Feb 1944

Japan
3 Mar 1944

Japan
4 Mar 1944

Japan
  • Destroyer Yukikaze arrived at Yokosuka, Japan. ww2dbase [Main Article | CPC]
29 Mar 1944

Japan
  • Destroyer Yukikaze departed Yokosuka, Japan to escort carrier Zuiho to Guam, Mariana Islands. ww2dbase [Main Article | CPC]
20 Apr 1944

Japan
14 Jun 1944

Japan
21 Jun 1944

Japan
29 Jun 1944

Japan
1 Jul 1944

Japan
5 Jul 1944

Japan
16 Jul 1944

Photo(s) dated 16 Jul 1944
Carrier Unryu off Yokosuka, Japan, 16 Jul 1944
1 Aug 1944

Japan
6 Aug 1944

Japan
  • Unryu was commissioned into service at Yokosuka, Japan with Captain Konishi Kaname in command. She was assigned to Carrier Division 1 of Japanese 3rd Fleet. ww2dbase [Main Article | Tabular Record of Movement | CPC]
10 Aug 1944

Japan
  • Unryu was assigned to 7th Base Air Force Air Attack Force under operational command of Japanese 3rd Air Fleet, although officially she remained with Carrier Division 1 of Japanese 3rd Fleet. ww2dbase [Main Article | Tabular Record of Movement | CPC]
16 Aug 1944

Japan
  • The Naval Air Technical Arsenal at Yokosuka, Japan formally began the development of the aircraft that would later be known as the Ohka. ww2dbase [Main Article | CPC]
2 Sep 1944

Japan
26 Sep 1944

Japan
1 Oct 1944

Japan
8 Oct 1944

Japan
  • Shinano was launched at Yokosuka, Japan. During the launch, one of the caissons at the end of the dock lifted unexpectedly, causing her to move forward, damaging the bow. ww2dbase [Main Article | Facility | Tabular Record of Movement | CPC]
9 Oct 1944

Japan
  • Submarine I-369 was completed at the Yokosuka Navy Yard, Japan as a Type D1 Tei-gata transport submarine. She was commissioned into service under the command of Lieutenant Shigeo Matsushima. ww2dbase [Main Article | CPC]
  • Japanese submarine I-8 arrived at Yokosuka Naval Base, Japan. ww2dbase [CPC]
26 Oct 1944

Japan
28 Oct 1944

Japan
5 Nov 1944

Japan
19 Nov 1944

Japan
28 Nov 1944

Japan
  • Shinano departed Yokosuka, Japan with 2,175 officers and crew, 300 shipyard workers, and 40 civilians on board at 1800 hours, escorted by destroyers Isokaze, Yukikaze, and Hamakaze. ww2dbase [Main Article | Tabular Record of Movement | CPC]
25 Dec 1944

Japan
21 Jan 1945

Japan
  • Submarine I-369 departed Yokosuka, Japan with supplies for Minamitorishima (Marcus Island). ww2dbase [Main Article | CPC]
26 Jan 1945

Japan
5 Feb 1945

Japan
  • Submarine I-369 arrived at Yokosuka, Japan. ww2dbase [Main Article | CPC]
12 Feb 1945

Japan
  • Submarine I-369 departed Yokosuka, Japan with supplies for Chichi Jima, Japan. ww2dbase [Main Article | CPC]
21 Feb 1945

Japan
  • Submarine I-369 arrived at Yokosuka, Japan. ww2dbase [Main Article | CPC]
24 Mar 1945

Japan
16 Apr 1945

Japan
  • Submarine I-369 departed Yokosuka, Japan for Caroline Islands. She carried 0.312 tons of food, 6.303 tons of weapons and ammunition, 25 tons of fuel, and 4.4 tons of other cargo for Truk, and 38.9 tons of food and 2.6 tons of other cargo for Woleai. ww2dbase [Main Article | CPC]
30 Apr 1945

Japan
24 May 1945

Japan
  • Submarine I-369 arrived at Yokosuka, Japan. ww2dbase [Main Article | CPC]
18 Jul 1945

Japan
  • Nagato was damaged in port at Yokosuka, Japan during an American carrier air raid. A destroyer, a sumarine, and three smaller vessels were sunk during the attack. ww2dbase [Main Article | Facility | Tabular Record of Movement | CPC]
27 Aug 1945

Photo(s) dated 27 Aug 1945
Japanese photographer T. Iwamoto attaching film of surrender of Yokosuka Navy Base to a pigeon for transport to Domeo News Agency in Tokyo, Japan, Aug 1945
29 Aug 1945

Photo(s) dated 29 Aug 1945
US flag raising at Yokosuka Navy Base, Japan, 29 Aug 1945
30 Aug 1945

Japan
  • USS San Diego arrived at Yokosuka, Japan. ww2dbase [Main Article | CPC]
Photo(s) dated 30 Aug 1945
US Marines destroying Japanese weaopns at Futtsusaki Point near Yokosuka Navy Base, 30 Aug 1945Japanese personnel standing in formation during the surrender of Yokosuka Naval Base, Japan, 30 Aug 1945Rear Admiral Robert B. Carney at Yokosuka Naval Base to accept the surrender of the base, Yokosuka, Japan, 30 Aug 1945Vice Admiral Michitoro Tozuka immediately after formally surrendering the Yokosuka Naval Base to US Navy Rear Admiral Robert B. Carney, Yokosuka, Japan, 30 Aug 1945
7 Sep 1945

Photo(s) dated 7 Sep 1945
American photograph of after bodies (motors) for Japanese Kaiten human guided torpedoes taken at Yokosuka Naval Base, Yokosuka, Japan, 7 Sep 1945
8 Sep 1945

Photo(s) dated 8 Sep 1945
Koryu Type D submarine at the Yokosuka Naval Base, Japan, 8 Sep 1945, photo 1 of 3Koryu Type D submarine at the Yokosuka Naval Base, Japan, 8 Sep 1945, photo 2 of 3Koryu Type D submarine at the Yokosuka Naval Base, Japan, 8 Sep 1945, photo 3 of 3
15 Oct 1945

Japan
  • The Yokosuka Naval Arsenal in Japan was abolished in name, but the facilities would continue to operate under the control of the US Navy. ww2dbase [Main Article | CPC]
16 Dec 1946

Photo(s) dated 16 Dec 1946
Landing ship No. 147, with coal-fired boilers, at Yokosuka Navy Base, Japan, 16 Dec 1946
13 Nov 1947

Japan
  • Landing ship No. 147 was transferred to the United States while at Yokosuka, Japan. ww2dbase [Main Article | CPC]
17 Oct 1952

Japan
  • USS Missouri arrived at Yokosuka, Japan and became the flagship of Vice Admiral Joseph J. Clark of the US Navy 7th Fleet. ww2dbase [Main Article | CPC]
4 Jun 1956

Japan
  • USS Wasp arrived at Yokosuka, Japan. ww2dbase [Main Article | CPC]
15 Oct 1956

Japan
  • USS Ticonderoga began a tour in Asian waters, based out of Yokosuka, Japan. ww2dbase [Main Article | CPC]
29 Nov 1956

Japan
  • USS Saint Paul arrived at Yokosuka, Japan and was named the flagship of the US 7th Fleet. ww2dbase [Main Article | CPC]
9 Mar 1958

Japan
  • USS Saint Paul arrived at Yokosuka, Japan. ww2dbase [Main Article | CPC]
21 May 1966

Photo(s) dated 21 May 1966
USS Saint Paul off Yokosuka, Japan, 21 May 1966
25 May 2006

Photo(s) dated 25 May 2006
USS Kitty Hawk and other American warships at United States Fleet Activities Yokosuka naval base, Japan, 25 May 2006

Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, David Stubblebine
Special Thanks: Rory Curtis




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Famous WW2 Quote
"The raising of that flag on Suribachi means a Marine Corps for the next 500 years."

James Forrestal, Secretary of the Navy, 23 Feb 1945