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Tokyo Express
Japanese troops load onto a warship in preparation for a "Tokyo Express" run sometime in 1942.
Active August, 1942 – November, 1943
Country Empire of Japan
Allegiance Axis Powers of World War II
Branch Imperial Japanese Navy
Type Ad hoc military logistics organization
Role Supply and reinforcement to Japanese Army and Navy units located in the Solomon Islands and New Guinea
Size Varied
Garrison/HQ Rabaul, New Britain
Shortland Islands and Buin, Solomon Islands
Nickname Cactus Express
"Rat" or "ant" transportation (Japanese names)
Engagements Battle of Cape Esperance
Battle of Tassafaronga
Operation Ke
Battle of Blackett Strait
Battle of Kula Gulf
Battle of Kolombangara
Battle of Vella Gulf
Battle off Horaniu
Naval Battle of Vella Lavella
Battle of Cape St. George
Gunichi Mikawa
Raizo Tanaka
Shintarō Hashimoto[1]
Matsuji Ijuin

The Tokyo Express was the name given by Allied forces to the use of Imperial Japanese Navy ships at night to deliver personnel, supplies, and equipment to Japanese forces operating in and around New Guinea and the Solomon Islands during the Pacific campaign of World War II. The tactic involved loading personnel or supplies onto fast warships, such as destroyers or other warships, and using the warships' speed capability to deliver the personnel or supplies to the desired location and return to the originating base all within one night so Allied aircraft could not intercept them by day.



The original name of the resupply missions was "Cactus Express" as coined by Allied forces on Guadalcanal, using the codename for the Guadalcanal operation. After the U.S. press began referring to it as the "Tokyo Express," apparently in order to preserve operational security for the codeword "Cactus," Allied forces also began to use that phrase in place of "Cactus Express." The Japanese called the night resupply missions Rat Transportation (鼠輸送 nezumi yusō ?), because they took place at night.

Organization and history

Rat Transportation was necessary for Japanese forces due to Allied air superiority in the South Pacific that was established soon after the Allied landings on Guadalcanal and Henderson Field began operating as the "Cactus Air Force" in August, 1942. Delivery of troops and material by slow transport ships to Japanese forces on Guadalcanal and New Guinea soon proved too vulnerable to daytime air attack. Thus, Japanese Combined Fleet commander, Admiral Isoroku Yamamoto, authorized the use of faster warships at night to make the deliveries when the threat of detection was much less and aerial attack minimal.[2]

The Tokyo Express began soon after the Battle of Savo Island in August, 1942 and continued until late in the Solomon Islands campaign when one of the last, large Express runs was interdicted and almost completely destroyed in the Battle of Cape St. George on November 26, 1943. Because the fast destroyers typically used were not configured for cargo handling, many supplies were simply pushed into the water, inside of sealed steel drums tied together with strings that floated ashore or were picked up by barge. A typical night in December resulted in 1500 drums being rolled into the sea, only to recover 300. [3]

Most of the warships used for Tokyo Express missions came from the 8th Fleet, based at Rabaul and Bougainville, although ships from Combined Fleet units based at Truk were often temporarily attached for use in Express missions. The warship formations assigned to Express missions were often formally designated as the Reinforcement Unit, but the size and composition of this unit varied from mission to mission.[4]

John F. Kennedy and PT-109

John F. Kennedy's PT-109 was lost on a "poorly planned and uncoordinated" attack on the Tokyo Express.[5] 15 PT boats with 60 torpedoes did not register a single hit, let alone a sinking. The PT-109 was struck by a destroyer returning from its supply run, estimated to be traveling in excess of 30 knots with no running lights.

The End

To signify final victory over the Japanese on Guadalcanal, General Alexander Patch, commander of the land forces on the island, signaled his superior, Admiral Bull Halsey, that the "Tokyo Express no longer has terminus on Guadalcanal."[6]




  1. ^ Evans 176
  2. ^ Coombe, Derailing the Tokyo Express, p. 33.
  3. ^ History of USMC Operations in WWII, Vol I, Chapter 9: Final Period, 9 December 1942 to 9 February 1943
  4. ^ Frank, p. 559.
  5. ^ National Geographic Search for the PT-109 DVD
  6. ^


  • Brown, David (1990). Warship Losses of World War Two. Naval Institute Press. ISBN 1-55750-914-X.  
  • Coombe, Jack D. (1991). Derailing the Tokyo Express. Harrisburg, PA: Stackpole. ISBN 0-8117-3030-1.  
  • Crenshaw, Russell Sydnor (1998). South Pacific Destroyer: The Battle for the Solomons from Savo Island to Vella Gulf. Naval Institute Press. ISBN 1-55750-136-X.  
  • D'Albas, Andrieu (1965). Death of a Navy: Japanese Naval Action in World War II. Devin-Adair Pub. ISBN 0-8159-5302-X.  
  • Dull, Paul S. (1978). A Battle History of the Imperial Japanese Navy, 1941-1945. Naval Institute Press. ISBN 0-87021-097-1.  
  • Evans, David C. (1986 (2nd Edition)). "The Struggle for Guadalcanal". The Japanese Navy in World War II: In the Words of Former Japanese Naval Officers. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-316-4.  
  • Frank, Richard (1990). Guadalcanal: The Definitive Account of the Landmark Battle. New York: Random House. ISBN 0-394-58875-4.  
  • Griffith, Brig. Gen. Samuel B (USMC) (1974). "Part 96: Battle For the Solomons". History of the Second Wold War. Hicksville, NY, USA: BPC Publishing.  
  • Hara, Tameichi (1961). Japanese Destroyer Captain. New York & Toronto: Ballantine Books. ISBN 0-345-27894-1.  
  • Kilpatrick, C. W. (1987). Naval Night Battles of the Solomons. Exposition Press. ISBN 0-682-40333-4.  
  • Lord, Walter (1977 (Reissue 2006)). Lonely Vigil; Coastwatchers of the Solomons. Naval Institute Press. ISBN 1-59114-466-3.  
  • Lundstrom, John B. (2005 (New edition)). The First Team And the Guadalcanal Campaign: Naval Fighter Combat from August to November 1942. Naval Institute Press. ISBN 1-59114-472-8.  
  • McGee, William L. (2002). The Solomons Campaigns, 1942-1943: From Guadalcanal to Bougainville--Pacific War Turning Point, Volume 2 (Amphibious Operations in the South Pacific in WWII). BMC Publications. ISBN 0-9701678-7-3.  
  • Miller, Thomas G. (1969). Cactus Air Force. Admiral Nimitz Foundation. ISBN 0-934841-17-9.  
  • Morison, Samuel Eliot (1958). The Struggle for Guadalcanal, August 1942 – February 1943, vol. 5 of History of United States Naval Operations in World War II. Boston: Little, Brown and Company. ISBN 0-316-58305-7.   Online views of selections of the book:[1]
  • Morison, Samuel Eliot (1958). Breaking the Bismarcks Barrier, vol. 6 of History of United States Naval Operations in World War II. Castle Books. ISBN 0785813071.  
  • Potter, E. B. (2005). Admiral Arleigh Burke. Naval Institute Press. ISBN 1-59114-692-5.  
  • Roscoe, Theodore (1953). United States Destroyer Operations in World War Two. Naval Institute Press. ISBN 0870217267.  
  • Rottman, Gordon L.; Dr. Duncan Anderson (consultant editor) (2005). Japanese Army in World War II: The South Pacific and New Guinea, 1942-43. Oxford and New York: Osprey. ISBN 1-84176-870-7.  



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