[FRUPAC War Map: April 18, 1945]

Description

Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships on April 18th, 1945. The overlay contains annotations regarding the USS Sea Owl (SS-405), Commander in Chief (Cominch), Commander in Chief East Indies (CincEI), Commander 7th Fleet (Com 7th FLT), Commander Air Force 5 (ComAF5), Commander Bombardment Squadron 13 (Combcom 13), 21st Bombardment Squadron (BomCom21), Radio Manus (RDO Manus), Commander Task Forces (CTF) 71, 75, Commander Task Groups 73.4 (CTG 73.4), Commander Task Unit 73.4.4 (CTU 73.4.4), Japanese cargo ships Kaika Maru, Tasho Maru, Banshu Maru, passenger-cargo ship Koun Maru, merchant ship Taito, merchant-transport ship … continued below

Physical Description

1 map : col.

Creation Information

Fleet Radio Unit Pacific April 18, 1945.

Context

This map is part of the collection entitled: Fleet Radio Unit Pacific Map Collection and was provided by the National Museum of the Pacific War/Admiral Nimitz Foundation to The Portal to Texas History, a digital repository hosted by the UNT Libraries. More information about this map can be viewed below.

Who

People and organizations associated with either the creation of this map or its content.

Provided By

National Museum of the Pacific War/Admiral Nimitz Foundation

Established in 1967, the Museum honors the 8 million Americans who served in WWII in the Pacific Theater by sharing their stories with the world. Located in Fredericksburg in the restored Nimitz "Steamboat" Hotel, the Museum partners with the Texas Historical Commission to preserve the historical resources of the era.

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What

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Description

Map overlay documenting the activities of the US Naval operations, Japanese ships, and cargo ships on April 18th, 1945. The overlay contains annotations regarding the USS Sea Owl (SS-405), Commander in Chief (Cominch), Commander in Chief East Indies (CincEI), Commander 7th Fleet (Com 7th FLT), Commander Air Force 5 (ComAF5), Commander Bombardment Squadron 13 (Combcom 13), 21st Bombardment Squadron (BomCom21), Radio Manus (RDO Manus), Commander Task Forces (CTF) 71, 75, Commander Task Groups 73.4 (CTG 73.4), Commander Task Unit 73.4.4 (CTU 73.4.4), Japanese cargo ships Kaika Maru, Tasho Maru, Banshu Maru, passenger-cargo ship Koun Maru, merchant ship Taito, merchant-transport ship Hakusan Maru, passenger ferry Tokuju Maru, merchant/picket boat Nitto Maru, convoys no. 5511, TSU 201 Convoy, SASI 45, MO-705, Fuji Maru Convoy, Hayasaki Convoy, Nittei Maru Convoy, Coastal Defense Vessels (CDV) Etorofu, no. 41, Coastal Defense Unit 67 (CDU 67), submarines I-47, I-400, I-56, submarine chaser no. 56, cruisers Haguro, Ashigara, destroyer Kamikaze, minesweeper Tama Maru, tanker Nanshin Maru, army auxiliary transport vessel Tenkai Maru, patrol boats Kyowa Maru, Riki Maru, Communication Boat 481 (Comm Boat 481), special duty and food supply ship Hayasaki, hospital ships AH Kiku Maru, Kazura Maru, and unidentified vessels Seigen Maru, Tairi Go, SG 1, "A" Vessel. Significant events visible on the map include about 132 B-29's attacking Kyushu fields, the I-56 sinking, a schooner of Commander Task Unit 73.4.4 sinking, Communication Boat 481 being sunk by aircraft, the Haguro sustaining a torpedo attack, the USS Sea Owl sinking a large moored submarine, and Japanese Army operations messages.

Physical Description

1 map : col.

Language

Item Type

Identifier

Unique identifying numbers for this map in the Portal or other systems.

  • Accession or Local Control No: Folder No. 300-315-039
  • Accession or Local Control No: Hanger 579
  • Accession or Local Control No: PLAT-300-315-039-36
  • Archival Resource Key: ark:/67531/metapth1733362

Collections

This map is part of the following collections of related materials.

Fleet Radio Unit Pacific Map Collection

Maps and overlays documenting the daily activities of U.S. naval operations, Japanese ships, cargo ships, weather patterns, and documented positions.

National Museum of the Pacific War Digital Archive

The Digital Archive presents digitized collections from the Center for Pacific War Studies collections at the National Museum of the Pacific War. Collections and material are continuously being added and represent only a small portion of the archives' physical holdings.

World War Two Collection

These materials focus on World War II and the immediate postwar period of the late 1940s. In addition to materials created during the time period, materials may include modern studies and commemorative works about the era.

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When

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Creation Date

  • April 18, 1945

Covered Time Period

Coverage Date

Added to The Portal to Texas History

  • Sept. 27, 2024, 8:33 a.m.

Description Last Updated

  • Feb. 4, 2026, 6:03 p.m.

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Total Uses: 2

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Map Information

  •    Geographic boundaries.
  • map marker Place Name coordinates. (May be approximate.)
  • Repositioning map may be required for optimal printing.

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Fleet Radio Unit Pacific. [FRUPAC War Map: April 18, 1945], map, April 18, 1945; (https://texashistory.unt.edu/ark:/67531/metapth1733362/: accessed September 4, 2026), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting National Museum of the Pacific War/Admiral Nimitz Foundation.

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