No.

[Reference code]C19010003900

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• January 1 to May 1, 1945 / Military Classified Information / Telegrams / Binding

[Total of Images]58

• [Call Number of holdings]④艦船・陸上部隊-電報-6(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]一 二 受信〇九二五 訳始一三〇〇 訳了一四三〇 (〇〇七一一)(〇〇七一〇) 作 三二根＠ 大本営海軍部・第二南遣艦隊＠・第四南遣艦隊＠ 聯合艦隊＠・十三航空艦隊各＠＠ 機密第〇一二〇五三番電 二分ノ一、二 発 南西方面艦隊参謀長 宛 第二方面軍参謀長 通報第七飛行＠＠長 一、第十三航空艦隊主力(＠＠＠約六十機陸上攻撃機約三六機陸上偵察機数機ヲ以テ「ホンイボ」北＠＠及＠南部＠ZHニ対シ＠＠＠＠＠ヲ 一 一 受信一四四〇 訳始一五〇〇 訳了一五一五 電〇〇二九七 作区◎ 海護 二艦隊＠ 二艦隊 聯合艦隊＠・各艦隊＠ 機密第〇一一〇〇〇番電 艦隊区分ヲ左ノ通改ム 戦隊隊番号 艦船番号ノ順 第一戦隊二一大和

• Date of Document Creation1945.01.01 - 1945.01.12
• CreatorChief of Staff, South-West Area Fleet // Chief of Staff, 4th Fleet // Chief of Staff, GKF // Commander, EB // Chief of Staff, South-West Area Fleet // Chief of Staff, GF // Captain, Ryuho // Chief of Staff, NTF // Chief of Staff, 4F // Chief of Staff, GEB // Chief, 5th Replacement Department // Chief of Staff, 4F // Captain, 13th I-go Submarine // Commander, 1KFGB // Commander, Hahajima Island Guard Unit // Commanding Officer, 17DG // Chief of Staff // Staff Officer, 1KFGB // Chief of Staff, Naval Guard Station Office in Hainan // Commander, 28th Air Squadron // Vice Chief of Staff, South-West Area Fleet // Chief of Staff, 52nd Division
• OrganizationNavy

No.

[Reference code]C19010009300

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• January to April 1945 / Confidential / Telegrams

[Total of Images]39

• [Call Number of holdings]④艦船・陸上部隊-電報-10(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]一 一 受信一五〇八 訳始一五三〇 訳了一七一〇 電〇〇三四三 作概〇 戦力・医務 (着)支那方面艦隊＠ (報)大海戦力補給部・南西方面艦隊＠・氷川丸 機密第〇一一一三四番電 発 聯合艦隊参謀長 第二氷川丸ハ三KF機密第二七〇九五一番電ニ依ル物件約六五〇瓩ヲ搭載シアル所之ガ荷揚ニ関シテハGF機密第一一〇九五二番電ニ依ル高サゴ丸ノ時ト同様防諜並ニ荷役時間ノ短縮ニ関シ留意アリ度。 一 一 受信一五五五 訳始一七三五 訳了一八〇〇 電〇〇三四二 補人◎ 航本 (発)一基地航空部隊クラーク戦闘司令所 (着)東通 (報)マバラカツト空基地 機密第〇一一二三六番電 発 一GFGB参謀長 宛 人事局長 通報 大海参一部長 航本総務部長 GF参謀長

• Date of Document Creation1945.01.01 - 1945.01.11
• CreatorChief of Staff of the Combined Fleet // Chief of Staff, 1GFGB // Chief of Staff, 4th Southern Expeditionary Fleet // Commander, 27th Air Squadron // Chief of Staff, South-West Area Fleet // Chief of Staff, Maritime Escort Unit // Commander, 1KFGB // Vice Chief of Staff, South-West Area Fleet // Chief of Staff, GKF // Combined Fleet Telegraph Order No. 595 // Chief of Staff, 2nd Air Fleet // Chief of Staff, 4F // Commanding Officer, Hahajima Island Guard Unit // Chief, South-West Area Naval Aviation Arsenal // Hanamoto, Staff Officer // Commander, H3AB // I, Chief of General Staff
• OrganizationNavy

No.

[Reference code]C19010027000

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• February to March 1945 / Iwo Jima Area / Binding of Telegrams

[Total of Images]39

• [Call Number of holdings]④艦船・陸上部隊-電報-24(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]三 一 受信〇八三五 訳始〇八四二 訳了〇九〇一 電〇〇一二九 作概 作戦特別緊急 (発)硫黄島航空基地 (着)第七基地航空部隊作戦命令着信艦所 機密第〇一〇六五五番電 一、友軍機敵艦船攻撃視認状況〇二三五、〇度方向ニ火柱二約一分間炎上スルヲ認ム 二、友軍ノ空中攻撃ニ依リ敵ハ海上陸上共ニ煙幕ヲ展張艦砲陸上砲共射撃ヲ中止我斬込及夜間作業ノ好機トナルヲ以テ極力毎日続行サレ度。 三 一 受信一〇五〇 訳始一一五〇 訳了一二五五 電〇〇二二四 〇〇二二五 作概 (発)父根＠ (着)香取航空基地・父根戦闘概報着信艦所 (報)六〇一航空隊 機密第〇一〇九一三番電 二分ノ一、二 戦闘概報(二月二十八日) 一、一三三八B－二四 七機来襲

• Date of Document Creation1945.03.01 - 1945.03.06
• CreatorCommanding Officer, Hahajima Island Guard Island // Commanding Officer, 752nd Air Corps // Commander-in-Chief, 3AF Chief // Tamanayama Landing Force // Iwo Jima Base // Commander, Landing Force // Chief of Staff, GEB

No.

[Reference code]C19010027100

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• February to March 1945 / Iwo Jima Area / Binding of Telegrams

[Total of Images]40

• [Call Number of holdings]④艦船・陸上部隊-電報-24(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]三 七 受信二一四五 訳始〇一五九 訳了〇二一四 電〇三〇四三 作概〇 作戦緊急 (発)硫黄島航空基地 (着)木更津航空基地 機密第〇六二一四〇番電 発 陸戦部隊指揮官 六日〇八〇〇ヨリ玉名山正面ニ敵戦車八台歩兵約三〇〇来攻我ハ之ニ猛攻ヲ加ヘ一六〇〇撃退セリ 戦果人員殺傷一四〇以上 戦車擱坐二 ロケツト砲車二、二一四〇。 三 七 受信〇四一五 訳始〇六四五 訳了〇七一〇 電〇三二六〇 諜通 (着)二八航戦＠ (報)大海参一部・聯合艦隊＠・一航空艦隊＠ 機密第〇六二一五〇番電 発 南西方面艦隊参謀長 機密第〇二一八五二番電第三項関聯 「イバ」方面ハ我ガ守備隊トノ連絡ナク詳細不明ナルモ最近左ノ如キ敵信ヲ傍受シアリ同方面ノ情況

• Date of Document Creation1945.03.07 - 1945.03.21
• CreatorCommander, Iwo Jima Landing Force // Chief of Staff, South-West Area Fleet // Commanding Officer, Hahajima Island Guard Unit // Commander, 304th Construction Unit // Commander-in-Chief, 3rd Air Fleet

No.

[Reference code]C19010033200

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• March 27 to April 30, 1945 / Navy Ministry / Incoming / Binding of Telegrams

[Total of Images]37

• [Call Number of holdings]④艦船・陸上部隊-電報-30(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]四 二二 受信〇八五〇 訳始一一四〇 訳了一二一〇 電一二〇九八 補人◎ 至急 (着)人事局第三課長 機密第二一二二五〇番電 発 第一郡山空司令 宛 海軍省人事局第三課長 通報 横鎮人事部長 呉鎮人事部長 佐鎮人事部長 舞鎮人事部長 二十日入隊セル練習兵二九二名中身体検査不合格者(何レモ全身衰弱症)一一〇名アリ内＠＠別計器電機ノ順横二五・二〇呉一七・一二佐一二・九舞一〇・五計六四・四六。 四 二二 受信〇一五六 訳始〇二三〇 訳了〇三〇五 電一四五四八 人事 至急 (発)高警 (着)一護衛艦隊＠・人事局 機密第二一二三五五番電 発 参謀長 高警機密第二〇一八三二番電ノ件然ルベキ御配慮ヲ得度。 四 二二 受信〇七四五

• Date of Document Creation1945.04.22 - 1945.04.23
• CreatorCommanding Officer, 1st Koriyama Air // Naval Guard Station Office in Kaohsiung // Hahajima Island Guard Unit // Military Attach in Beijing // Commanding Officer, U70 // 10th Guard Station Unit // Sasebo Personnel Department // 3rd Special Attack Squadron // Otsu Air Corps // Captain, 1st Southern Expeditionary Ship // 1st Escort Fleet // Naval Guard Station Office in Hainan // Chief of Staff, South-West Area Fleet // Eastern Indian Air Corps // 11 Base Force // Commanding Officer, 931st Air Corps // 931st Air Corps (Kushira Air Base) // 21st Combined Air Corps // Kuchinoerabu Island Special Signaling Station // Kochi Air Base // Minamitorishima Island Guard Unit // 1st Kokubun Air Base // Chief of Staff, 5AF
• OrganizationNavy

No.

[Reference code]C19010038500

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• February 1945 / Binding of Reference Telegrams 1/3

[Total of Images]32

• [Call Number of holdings]④艦船・陸上部隊-電報-34(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 一五 受信〇一一五 訳始〇三二〇 訳了〇四一〇 電〇六六六八 作概〇 航本 至急 (発)一二空コタバル空基地 (着)海護総＠・一護衛艦隊＠・一三航空艦隊＠ (報)一二空・九三六空・カツトライ水上基地・九〇一空 九三六空昭南派遣隊 機密第一四二一三二番電 通報 南号作戦部隊 一、艦攻一機一二三〇ヨリ一五〇〇迄ガステンゴル島「バタニミリ」哨戒実施船団及敵潜ヲ見ズ 二、艦攻増援三機ヒ八八G船団〇九三〇ヨリ一九〇〇迄直衛ノ予定。 二 一五 受信〇一三六 訳始〇二五〇 訳了〇四三〇 電〇六六六三 作概〇 航本 至急 (発)佐世保航空基地 (着)小禄、古仁屋、指宿、鎮海各空基地 (報)聯合艦隊＠・佐鎮・三航空艦隊＠・沖根＠ 機密第一四二一四五番電

• Date of Document Creation1945.02.15 - 1945.02.16
• Creator12th Air Corps, Kotabaru Air Base // Sasebo Air Base // Sasebo Naval District // Kanoya Air Base // Chief of Staff, Naval Guard Station Office in Kaohsiung // Commander, Hahajima Island Guard Unit // 4th Fleet Chief of Staff // Commander, Owada Signal Corps // Yokosuka Naval District // Kure Naval District // Chief of the 4th Southern Expeditionary Fleet // Commander-in-Chief, , Yokosuka Naval District // Iwo Jima Air Base // Commanding Officer, Chichijima Island Special Base Force // Yap Air Base // 901st Air Group (Takao Air Base) // Atsugi Air Base // Daiichi Hoei Maru
• OrganizationNavy

No.

[Reference code]C19010038900

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• February 1945 / Binding of Reference Telegrams 1/3

[Total of Images]33

• [Call Number of holdings]④艦船・陸上部隊-電報-34(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 一七 受信〇〇五八 訳始〇一二〇 訳了〇三〇〇 電〇七七〇四 作概 参本 緊急 (発)総無線艦所用共通符号 (着)東京通信隊・聯合艦隊＠・横通・第三航空艦隊＠ (報)小笠原艦隊＠・硫黄島航空基地 機密第一六二三〇三番電 発 南鳥島守備部隊指揮官 着信者 横鎮長官 軍令部次長 参謀次長 通報 厚木航空基地 二十二戦隊司令官 七潜戦司令官 戦闘概報(二月十六日) 一、一一〇四 二四〇度五八粁ニ探知続イテB－二四 二機来襲高度約三、二〇〇米ニテ島内及海中投弾 二、発射弾数(七〇四七一五)十二糎七高角砲三四(一一〇八) 八糎高角砲二一(二八〇四) 三、戦果 ナシ 四、被害 戦死陸軍下士官一名施設部貨物自動車一大破(修理不能)。

• Date of Document Creation1945.02.16 - 1945.02.18
• CreatorCommander, Minamitorishima Island Garrison // Commander-in-Chief, Yokosuka Naval District (Information) // 11th Combined Air Corps // Yokosuka Naval District // Kanoya Air Base // Iwo Jima Air Base // Hahajima Island Guard Unit // Chichijima Island Special Base Force // 901st Air Corps (Hong Kong Air Base) // Commander, Ishigaki Island Guard Unit // Naval Guard Station Office in Kaohsiung // Captain, 47th Coast Defence Ship // 3rd Maritime Escorts Squadron // Yaizu Air Base // 52nd Guard Unit // Sasebo Air Base // Kisarazu Air Base // Commander, Chichijima Island Special Base Force // Commander, Hahajima Island Guard Unit
• OrganizationNavy

No.

[Reference code]C19010039200

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• February 1945 / Binding of Reference Telegrams 1/3

[Total of Images]34

• [Call Number of holdings]④艦船・陸上部隊-電報-34(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 一八 受信一四三一 訳始一四四八 訳了一五〇六 電〇八六一六 作概〇 航本 作戦特別緊急 (発)母島警備隊 (着)父島根戦闘概報着信艦所 機密第一八一三三五番電 敵艦載機ノ来襲頻繁ノ現状ヨリ見テ敵機動部隊ハ本土侵攻後避退ノ際漸次南方諸島方面ニ其ノ攻撃力ヲ集中敵硫黄島作戦軍ニ協力ヲ企図シツツアルモノト想ハル敵編隊ハ概ネ母島ノ三二〇度方向ヨリ来襲シツツアリ。 二 一八 受信一八〇〇 訳始一九〇〇 訳了一九三〇 電〇八六九一 作概 参本 緊急 (発)総無線艦所用共通符号 (着)東京通信隊・聯合艦隊＠・横通 第三航空艦隊＠ (報)小笠原部隊△・硫黄島航空基地 機密第一八一五一五番電 発 南鳥島守備部隊指揮官 着信者 横鎮司令長官

• Date of Document Creation1945.02.18 - 1945.02.28
• CreatorHahajima Island Guard Unit // Commander, Minamitorishima Island Garrison // Chief, 5th AF // Naval Guard Station Office in Kaohsiung // Commander, Hahajima Islanf Guard Unit // Chief, Military Affairs Bureau // Chief, 1st Department, Naval General Staff Office, Naval Division of the Imperial Headquarters // Palau 1st Air Base // 3rd Maritime Escort Squadron // Kisarazu Air Base // Chief of Staff, 3rd AF // 89th Guard Unit // Matsuyama Air Base // Namotsuku Lookout // Signal Unit, Sasebo Naval District // Commander, 931st Air Squadron // 903rd Air Corps Detachment to Chichijima Island // 901st Air Squadron // Captain, Ro 50th Submarine // 3rd Air Fleet // 2nd Guard Unit // Commander, Chichijima Island Special Base Force
• OrganizationNavy

No.

[Reference code]C19010039600

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 2/3

[Total of Images]30

• [Call Number of holdings]④艦船・陸上部隊-電報-35(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 二〇 受信二三一三 二一 訳始〇〇一〇 訳了〇〇五八 電〇九七六五 作概 至急 (発)総無線艦所用共通符号 (着)父島根戦闘概報着信艦所 機密第二〇一七五五番電 発 母島警備隊司令 戦闘概報(二月二十日) 一、一三三五ヨリ一四四〇及一四五九ヨリ一五三二ノ二次ニ亘リ敵グラマン(F六F)二七機来襲本島ヲ周回後二〇〇度方向ニ去ル 母島ノ二二〇度二〇〇粁附近ニ航空母艦アルガ如シ 二、戦果 被害ナシ 三、発射弾数(一門平均残弾数)二十五粍機銃六三(一七七二) 一三粍機銃四(一八九二)。 二 二〇 受信一九二五 訳始二〇三二 訳了二一一二 電〇九七六一 作概〇 参本 (発)総無線艦所用共通符号 (着)三航空艦隊＠・横通 (報)東通・鹿屋空・？

• Date of Document Creation1945.02.20 - 1945.02.22
• CreatorCommander, Hahajima Island Guard Unit // Commanding Officer, Chichijima Island Special Base Force // 30th Special Base Force // Xiao Gangshan Headquarters // Chichijima Island Special Base Force // Qingdao Base Force // Xiamen Base Force // 31st Base Force // Naval Guard Station Office in Hainan // Kisarazu Air Base // Cam Ranh Air Base // Naval Guard Station Office in Kaohsiung // Commander, 10th Navigation (132nd Coast Defense Ship) // China Area Fleet // Commander, 10th Area Fleet // Chief of Staff, 2nd Southern Expeditionary Fleet // 1st Signal Unit // Kanoya Air Base // Yonghwa Air Base
• OrganizationNavy

No.

[Reference code]C19010039700

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 2/3

[Total of Images]32

• [Call Number of holdings]④艦船・陸上部隊-電報-35(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二〇 二 二一 電一〇五七七 作概〇 航本 (発)共符 (着)海上護衛総部隊各＠＠ (報)軍令部第一部・聯合艦隊＠・支那方面艦隊＠ 機密第二一一六四九番電 発 GEB参謀長 日満支海上交通保護強化ニ伴フ航空兵力ノ配備変更ニ関シテハGEB機密第一九二一一六番電ノ方針ニ従ヒ逐次発令セラルベキ予定ナル処敵攻略部隊ノ進攻如何ニ依リテハGEB航空兵力モ所在基地航空部隊ト共ニ決戦参加ノ場合アルベキニ付現主任務タル海上交通保護ニ万遺憾ナキヲ期シツツ右新事態ニ応ズル為左ニ依リ決戦準備ヲ進メ概ネ二月末頃迄ニ一応ノ体制ヲ整ヘタル上爾後極力練度ノ向上ニ努メラレ度 一、方針 敵攻略部隊来襲時一部兵力ヲ以テ左ノ作戦ニ従事ス (イ)捜索、偵察、触接

• Date of Document Creation1945.02.21 - 1945.02.23
• CreatorChief of Staff, GEB // Yap Air Base // Naval Guard Station Office in Kaohsiung // Chief, 5th AF // Hachijo Air Base // Sasebo Naval District // Palau 1st Air Base (Airai) // Commander, Hahajima Island Guard Unit // Chief, GF // Yokosuka Naval District // Chichijima Island Special Base Force // Hsinchu Air Base // Chief of Staff, Chichijima Island Special Base Force // Captain, Daian Maru // 18th Guard Unit // Chishima Islands Area Base Force // Commander, 3rd Air Fleet // Kanoya Air Base // Commander, 601st Air Corps
• OrganizationNavy

No.

[Reference code]C19010039800

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 2/3

[Total of Images]31

• [Call Number of holdings]④艦船・陸上部隊-電報-35(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 二二 受信二一五五 二三 訳始〇五五〇 訳了〇七三五 電一〇七七六 作概 (発)揚根＠ (着)支那方面艦隊＠ (報)聯合艦隊＠・上海根＠・二遣支艦隊＠・海警・？ 機密第二二一〇二二番電 本職 上海在勤武官 二十一日敵機出撃状況 一、B-25四機P-40四機一二五〇岳陽爆撃 二、P-51十機一三一六P-38一機一三二五白螺磯来襲 三、P-51四機一三三七 九江銃撃 四、P-51一四機一三五三石炭?来襲 五、P-51一二機一四一六白螺磯銃爆撃 六、P-38一機一六四五武漢偵察 七、B-24三機乃至四機自二一〇二至二二二八中揚子江来襲(機雷投下ノ算アリ)。 二 二二 受信一四四〇 訳始一五一〇 訳了一七〇〇 電一〇五五五 整施 緊急 (発)宮崎航空隊 (着)艦本総務部

• Date of Document Creation1945.02.22 - 1945.02.23
• CreatorYangtze River Base Force // Commander, 762nd Air Squadron // Naval Guard Station Office in Kaohsiung // Miyazaki Air Corps // Hsinchu Air Base // Chief, 5th Air Fleet // Commander, Hahajima Island Guard Unit // Chichishima Island Special Base Force // Ishigaki Air Base // 2nd Guard Unit // 30th Base Force // Yap Air Base // Commander, Minamitorishima Island Garrison // Kasanohara Air Base // Palau 1st Air Base (Airai) // Iwashita, Lieutenant // Ichihara, Lieutenant Colonel // Commander, 12th Signal Unit // Commander-in-Chief, Yokosuka Naval District // 8th Guard Unit
• OrganizationNavy

No.

[Reference code]C19010039900

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 2/3

[Total of Images]31

• [Call Number of holdings]④艦船・陸上部隊-電報-35(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 二三 受信〇四四五 訳始〇五〇五 訳了〇六〇五 電一〇七八五 作概〇 航本 緊急 (発)九〇一空(馬公航空基地) (着)第一護衛艦隊＠・九五一航空隊・九〇一航空隊本部 九〇一空(淡水航空基地) (報)？・基隆在勤武官・馬公根＠ 機密第二二二一二四番電 二分ノ一 一、明日ノ予定タモ四五船団警戒一一〇〇至一八〇〇艦攻延二機 モタ三八船団警戒一四〇〇至一八〇〇艦攻一機 二、本日モタ三七船団(一四〇〇ノ位置北緯二五度〇三分東経一二一度〇一分)艦攻一機タモ四四船団(一六五五位置北緯二五度五一分東経一一九度五四分)艦攻延三機一二三〇至一八〇〇警戒実施(異状ナシ)基地附近終日小雨。 (電信課註 本電二分ノ二未着) 二 二二

• Date of Document Creation1945.02.22 - 1945.02.24
• Creator901st Air Corps (Magong Air Base) // Chichishima Island Special Base Force // 26th Base Force // 903rd Air Corps // Commander, Owada Signal Corps // Commanding Officer, Chichijima Island Special Base Force // Kisarazu Air Base // Commander, 801st Air Corps // Commander, 4th Air Corps // Commander, 752nd Air Squadron // Xiao Gangshan Headquarters // Yangtze River Base Force // Commander, Hahajima Island Guard Unit // Commander, 67th Air Squadron // Zamboang Air Base // Chief of Staff, Chichijima Island Area Special Base Force // Commander, 936th Air Corps and the Indochina Area // 936th Air Corps // 931st Air Corps // Chief of Staff, Kawanishi
• OrganizationNavy

No.

[Reference code]C19010040000

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 2/3

[Total of Images]31

• [Call Number of holdings]④艦船・陸上部隊-電報-35(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 二三 受信二〇一〇 訳始二三〇〇 二四 訳了〇九四五 電一一三二八 作概〇 航本 (発)呉通信隊 (着)三三二航空隊 (報)聯合艦隊＠・東通・阪通 機密第二三一七一二番電 発 呉鎮長官 通報 大海参一部 防護総司令官 阪警長官 中部軍 呉鎮電令作第七号 一、呉鎮電令作第四号ニ依ル任務ヲ解ク 二、三三二空司令ハ引続キ阪神方面基地ニアリテ作戦ニ関シ阪警長官ノ指揮ヲ受クベシ。 (東通註 本電誤作成ノ為遅延) 二 二三 受信二〇一五 訳始二〇三五 訳了二二五五 電一一二四七 作概〇 航本 緊急 (発)？ (着)八〇一空・呉鎮・佐鎮・呉防戦＠ (報)海護総＠・九五一空△・九五一空 機密第二三一八三二番電 S三作戦参加兵力指宿基地ニ進出

• Date of Document Creation1945.02.23 - 1945.02.25
• CreatorCommander-in-Chief, Kure Naval District // 33rd Base Force // Kanoya Air Base // 26th Base Force // Chichishima Island Special Base Force // 901st Air Group (Sanya Air Base) // Chief of Staff, Chichijima Island Special Base Force // Commander, 801st Air Corps // Commander, 762nd Naval Air Squadron // Captain Kamiyama, Commander of the Kou Target Group Advancing to Okinawa // Saeki Air Corps // Xiao Gangshan Headquarters // Commander, Hahajima Island Guard Unit // Naval Guard Station Office in Hainan // Commanding Officer, Chichijima Island Special Base Force // Commander, 752nd Air Squadron
• OrganizationNavy

No.

[Reference code]C19010040300

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 2/3

[Total of Images]33

• [Call Number of holdings]④艦船・陸上部隊-電報-35(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 二五 受信一五四七 訳始一六〇〇 訳了一六二三 電一二〇五八 作概〇 緊急 (着)二二戦隊哨戒部隊 機密第二五一五一四番電 発 哨戒部隊指揮官 当隊機密第二五一二五七番電取消 ルソン丸第三八号チヨ丸ハ帰投セヨ。 二 二五 受信一七四五 訳始一八四三 訳了一九四五 電一二〇九〇 電一二〇九一 作概 作戦緊急 (発)神ノ池空基地 (着)木更津空基地 (報)大海参一部・聯合艦隊＠・横鎮 機密第二五一五三一番電 二分ノ一、二 宛 第三航空艦隊司令長官 七二二空戦闘概報第一号(二月二十五日) 一、第一次〇八三三SB二C十機 第二次一一五五F六F一八機 第三次一二二五F六F銃爆撃修理中ノ一式陸攻二機炎上同一機及＠花練習機四機被弾大破

• Date of Document Creation1945.02.25 - 1945.02.27
• CreatorCommander, Patrol Unit ／ Kaminoike Air Base // Chief of Staff, GF // Chief of Staff, Kure Naval District // Yap Air Base // Commander, 7SSB // 903rd Air Corps // 11th Air Corps // Chief of Staff, 1AF // Cam Ranh Air Base // Xogangshan Headquarters // Commanding Officer, 722nd Air Corps // Commander, Okinawa Base Air Corps // Chief of Staff, 3rd Air Fleet // Commanding Officer, Hahajima Island Guard Unit // Commander-in-Chief, GEB // Commander, Chichijima Island Base Force
• OrganizationNavy

No.

[Reference code]C19010040400

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 2/3

[Total of Images]31

• [Call Number of holdings]④艦船・陸上部隊-電報-35(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 二六 受信一七三五 訳始一八一五 訳了一八三七 電一二五四五 作概 緊急 (発)ヤツプ航空基地 (着)第五基地航空部隊戦闘概報着信艦所 (報)三〇根＠ 機密第二六一七〇五番電 二十六日戦闘概報 一一一五－一一五三グラマンTBF－一 数機(五－六機)東方ヨリ来襲雲上ヨリマツプ島銃爆撃後東方ニ去ル、其ノ他爆音聴取一回終日雨天雲高一〇〇〇 雲量一〇。 二 二七 受信一三一二 訳始一三三〇 訳了一三四六 電一二八七三 作概 緊急 (発)パラオ第一空基地 (着)三〇根＠ 機密第二六一七五〇番電 戦闘概報二月二十六日 一、F四U－一延四三機来襲海岸線附近銃撃数回投弾二回 二、視界内飛翔小型機二八機大型機八機 三、戦果被害ナシ 二 二六

• Date of Document Creation1945.02.26 - 1945.02.28
• CreatorYap Air Base // Palau First Air Base // Great Police Station // Sasebo Naval District // 46th Guard // Hahajima Guard Command // Xogangshan Headquarters // Hsinchu Air Base // Kanaya Air Base // Cam Ranh Air Base // 22 Base Force // Chief of Staff, 3rd Air Fleet // Yangtze River Base Force // Chief of Staff, 2nd Southern Expeditionary Fleet // Kisarazu Air Base // Commander, 931st Air Corps // 13th Base Force // Xogangshan Headquarters // 1st Base Force
• OrganizationNavy

No.

[Reference code]C19010041000

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 3/3

[Total of Images]41

• [Call Number of holdings]④艦船・陸上部隊-電報-36(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 二 受信一九二二 訳始二一〇〇 訳了二二二〇 電〇一〇二七 作概〇 航本 (発)第一占守航空基地 (着)北東方面部隊戦闘概報着信艦所 機密第〇二一七三二番電 北東空第一占守基地戦闘概報第三三号(二月二日) 艦攻延二機ヲ以テ一〇〇〇ヨリ一一〇五迄及一三五〇ヨリ一五二五迄当方面ノ哨戒並ニ直衛実施異状ナシ 天候晴雲量七雲高五〇〇米風速六米視界三〇粁所々降雪。 二 二 受信二一五五 三 訳始〇〇〇五 訳了〇一三五 電〇一〇九七 作概〇 至急 (発)一通 (着)南東方面部隊戦闘概報着信艦所 機密第〇二一七四〇番電 RXE戦闘概報第四一七号(一月三十一日 二月一日) 一、三十一日RXP〇六〇〇F四U二機銃撃一〇四五F四U二機偵察一日RXP

• Date of Document Creation1945.02.02 - 1945.02.04
• Creator1st Occupation and Defense Air Base // 1st Signal Unit // Naval Guard Station Office in Kaohsiung // 46th Guard Unit // Iwo Jima Air Base // 26th Base Force // Commanding Officer, Hahajima Island Guard Unit // 936th Air Squadron // Commander, 208th Construction Unit // 21st Air Squadron // Shinbu, Chief of Staff // Commander, 1st Transport Squadron // Chishima Islands Base Force // 8th Guard Unit // Yangtze River Area Special Base Force // 1st Escort Fleet // Chief of Staff, GKF // 3rd Maritaime Defense Force // 52nd Guard Unit // Chichijima Island Base Force // Chief of Staff, South-West Area Fleet // Commander, 11th Air Squadron // Pagan Detachment, 41st Guard Unit // Chief of Staff, Kaohsiung Signal Corps
• OrganizationNavy

No.

[Reference code]C19010041100

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 3/3

[Total of Images]42

• [Call Number of holdings]④艦船・陸上部隊-電報-36(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 三 受信一九三〇 電〇一四六六 作概〇 緊急 (発)共符 (着)一護衛艦隊＠ (報)大海参一部・門司在勤武官・聯合艦隊＠ 機密第〇三一七一一番電 発 GEB参謀長 戦局ノ推移ハ今日迄予想以上ニ早キヲ常トシ貴司令部ノ門司移転ハ時日ノ経過ト共ニ益々困難ヲ加フルノミナラズ作戦指揮上支障ヲ来ス場合ヲモ予想セラルルニ付此ノ際南号作戦ノ終了ヲ待ツコトナク速ニ実行セラルルヲ適当ト認ム。 二 三 受信二一二五 訳始二一四五 訳了二二五〇 電〇一四七三 作概 (発)共符 (着)南東方面部隊戦闘概報着信艦所 (報) 機密第〇三一七一一番電 RXC警備部隊戦闘概報第一七号(二月二日 二月三日) 二日〇九三〇戦闘機「QBF」東口一「QBM」側銃撃一〇〇〇

• Date of Document Creation1945.02.03 - 1945.02.05
• CreatorChief of Staff, GEB // 46th Guard Unit // Iwo Jima Air Base // 903rd Air Corps // 26th Base Force // Zamboanga Air Base // 381st Air Corps // Commander, 7th Submarine Squadron // Attached to the Kure Naval District // Chief of Staff, 6th Fleet // 2nd Detachment Fleet // 1st West Area Maritime Escort Force // 931st Air Corps // Commander, Minamitorishima Island Garrison // 951st Air Corps // Chief of Staff of the Combined Fleet // 33rd Naval Guard Station Office // Yap Air Base // Commander, 25th Air Squadron // 8th Air Corps // 936th Air Corps (Cam Ranh Air Base) // 1st Palau Air Base // Commanding Officer, Hahajima Island Guard Unit／4th Signal Unit // Chishima Islands Base Force // Atsugi Air Base
• OrganizationNavy

No.

[Reference code]C19010041200

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 3/3

[Total of Images]43

• [Call Number of holdings]④艦船・陸上部隊-電報-36(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 五 受信〇四三〇 訳始〇七一八 訳了〇八二三 電〇二〇九七 〇二一六一 諜訊 至急 (発)高警 (着)海軍省・軍令部・聯合艦隊＠・南西方面艦隊＠・聯合基地航空部隊△ 支那方面艦隊＠・二遣支艦隊＠・一三航空艦隊・高警一警報着信艦所 一海上護衛部隊 (報)沖根＠・佐鎮・二一航戦＠・二五航戦＠・海南警 一一根＠ 機密第〇五〇〇五〇番電 二分ノ一、二 三日〇二〇〇台南州布袋沖ニ於テ第三南隆丸ノ撃墜セル敵機(PV)ノ捕虜訊問セル結果左ノ如シ 一、使用飛行機ハPB四Y一三機及PV(一八五〇馬力双発陸爆)一機ニシテ一七〇〇頃リンガエン発進翌朝〇六〇〇頃帰投 二、哨戒線(四機ヲ以テ左ニ依リ日施哨戒一月十五日開始) (イ)台湾東岸ヲ経テ

• Date of Document Creation1945.02.05 - 1945.02.07
• CreatorCommander, Minamitorishima Island GArrison // 14th Base Force // Commanding Officer, Ishigaki Guard Unit // Commanding Officer, Saeki Air Corps // 901st Air Corps (Toko Air Base) // Naval Guard Station Office in Kaohsiung // 1st Escort Fleet // 951st Air Corps // 903rd Air Corps // 35th Guard Unit // Yap Air Base // Atsugi Air Base // Chief of Staff, GEB // 1st Palau Air Base // Chief of Staff, Naval Guard Station Office in Kaohsiung // Captain, 46th Ro-go Submarine // Iwo Jima Air Base // Commanding Officer, 801st Air Corps // Lushun Base Force // Commanding Officer, Hahajima Island Guard Unit // 1st Base Force // 1st Signal Unit
• OrganizationNavy

No.

[Reference code]C19010041300

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 3/3

[Total of Images]40

• [Call Number of holdings]④艦船・陸上部隊-電報-36(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 六 受信二一〇〇 訳始二二一〇 七 訳了〇〇三五 電〇二九二二 電〇二九二九 作概〇 ＠本＠ 至急 (発)硫黄島航空基地 (着)七基地航空部隊戦闘概報着信艦所 機密第〇六一八三七番電 二分ノ一、二、 E二AB戦闘概報第一六二号(二月六日)其ノ二 一、電波探信儀捕捉中ノB－二四 三機一一一六 一一三一 一一四二何レモ五機 E二AB戦闘概報第一六二号其ノ一 二、被害ノ項ニ左ヲ加フ (イ)電波探信儀用真空管三一個破損 (ロ)十二糎高角砲弾誘爆ニ依リ三海中ニ投弾零戦二機邀撃セルモ捕捉セズ 二、一六〇〇ヨリ一六五二迄天山一機ヲ以テ大美丸並ニ第六雲洋丸ノ対潜直衛実施異状ナシ。 二 七 受信〇九二三 訳始一〇〇三 訳了二〇〇〇

• Date of Document Creation1945.02.06 - 1945.02.09
• CreatorIwo Jima Air Base // Commander, 31st Squadron // Naval Guard Station Office in Hainan // Commander, Chichishima Base Force // 30th Base Force // Chief of Staff, 4th Southern Expeditionary Fleet // Commander, Minamitorishima Island Garrison // Commanding Officer, Hahajima Island Guard Unit // Yangtze River Base Force // Hsinchu Air Base // Chief of Staff, Naval Guard Station Office in Kaohsiung // Kure Defense Squadron // 8th Guard Unit // 1st Davao Air Base // Military Attache in Thailand // 11th Base Force // Captain, 112nd Ro-go Submarine
• OrganizationNavy

No.

[Reference code]C19010041500

• The National Institute for Defense Studies, Ministry of Defense
• Navy Records (Rid of Koubunbiko)
• 4. Kansen / Rikujobutai
• Denpou (telegrams)
• Binding of Reference Telegrams 3/3

[Total of Images]41

• [Call Number of holdings]④艦船・陸上部隊-電報-36(Holdings:National Institute for Defense Studies of the Ministry of Defense)
• [Summary]二 九 受信一八四五 訳始二〇一五 訳了二〇五五 電〇四二四九 作概 (発)一通信隊 (着)南東方面部隊戦闘概報着信艦所・？ 機密第〇九一六一一番電 RX方面防備部隊戦闘概報第一二〇号(二月八日) PXP〇四三五及〇五四五F四U各二機偵察一七一〇「モイラ」岬QBU〇七三〇F四U各二機銃撃〇五〇〇魚雷艇二隻RXE東ヲQCCヘ一五五〇同四隻QCCヲ？〇二三〇 二隻QDAヲ銃砲撃戦果被害ナシ。 二 九 受信一八三二 訳始〇七〇〇 訳了〇八〇〇 電〇四四二三 作概 (発)共符 (着)内南洋方面部隊戦闘概報着信艦所 機密第〇九一六五四番電 B－二九 二八機一〇〇〇FSA方面ヨリ来攻春島第二基地ニ投弾被害二十五番程度一一発滑走路ニ命中復旧ニ数日ヲ要スル見込

• Date of Document Creation1945.02.09 - 1945.02.11
• Creator1st Signal Unit // Yap Air Base // Commander, 1st Special Base Unit // Iwo Jima Air Base // Kisarazu Air Base // 936th Air Base (Cam Ranh Air Base) // Shirai Detachment // 3rd Maritime Escort Force // 1st Palau Air Base // Commanding Officer, Hahajima Island Guard Unit // Chief of Staff, 4th Southern Expeditionary Fleet // 1th Base Force // China Area Fleet // Commanding Officer, 601st Air Corps // Laoag Detachment, 901st Air Corps // Commander, 8SS // Chief of Staff of the Combined Fleet // 30th Base Force // 87th Guard Unit // Commander, 22nd Squadron // Cam Ranh Air Base // Qingdao Base Force
• OrganizationNavy