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721st Naval Air Group

military unit

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 12, 2026
Entity authorityQ11602141 ↗
Source-derived summary

The 721st Naval Air Group (第七二一海軍航空隊, Dai Nana-Futa-Hito Kaigun Kōkūtai) was an aircraft and airbase garrison unit of the Imperial Japanese Navy (IJN) during the Pacific campaign of World War II. This air group was organised for use in suicide attacks. It was otherwise known as the God Thunder Corps (神雷部隊, Jinrai Butai).

Structure

Higher unit

Yokosuka Naval District (1 October 1944–14 November 1944)

Combined Fleet (15 November 1944–19 December 1944)

11th Air Flotilla (20 December 1944–9 February 1945)

5th Air Fleet (10 February 1945–21 August 1945, dissolved.)

Lower unit

Attack bomber Squadron (1 October 1944–14 November 1944)

Renamed 711th Attack Squadron on 15 November 1944.

Ohka Squadron (1 October 1944–21 August 1945)

Suisei Squadron (15 November 1944–14 February 1945)

Aircraft and airmen were moved to 722nd Naval Air Group on 15 February 1945.

305th Fighter Squadron (1 February 1945–19 August 1945)

306th Fighter Squadron (15 November 1944–19 August 1945)

307th Fighter Squadron (1 February 1945–19 August 1945)

708th Attack Squadron (20 December 1944–21 August 1945)

711th Attack Squadron (15 November 1944–5 May 1945, dissolved.)

Aircraft and airmen were moved to the 708th Attack Squadron on 5 May 1945.

Kamikaze

Shinken Unit

Shichisei Unit

Tsukuba Unit

Shōwa Unit

Commanding officer

Capt. Motoharu Okamura (50) - 1 October 1944 - 30 September 1945

See also

List of Imperial Japanese Navy air-to-surface special attack units

Mitsubishi G4M

Yokosuka MXY7 Ohka

Bibliography

Atene Shobō, Tōkyō, Japan.

Navy battle record of special attack units, Author: each air unit of the Imperial Japanese Navy, reprinted in 2001, ISBN 4-87152-220-2.

Bunrin-Dō Co., Ltd., Tōkyō, Japan.

Famous Airplanes of the World No.

Editorial summary

Begin with the source’s own compact description: “721st Naval Air Group” is military unit. The dossier treats that line as a proposition to test through 721st, Naval and Group, not as a finished interpretation.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1944, 1945, 2001—that can be checked directly. The linked authority record independently contributes the date 1944-01-01. For this dossier, 721st, Naval and Group is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “military unit” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jan 12, 2026. The linked authority identifier is Q11602141. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1944, 1945 and 2001.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  • Locating named sources
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Three-step research path

  1. Establish the record: confirm the title “721st Naval Air Group”, its source revision and the description used here.
  2. Expand the search: follow 721st Naval Air Group primary sources, 721st Naval Air Group archive and 721st research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “721st Naval Air Group” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.