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Was It the 509 th Group or Wing?

The unit involved in July 1947 was the 509th Bombardment Group, while the similarly named wing was not formed at Roswell until November.

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On this page

  • The unit structure in July 1947
  • When the 509 th Bombardment Wing was created
  • Why the naming error matters in Roswell accounts

Introduction

One of the most persistent historical errors in accounts of the Roswell incident is referring to the military organisation involved as the 509th Bombardment Wing. In fact, the unit stationed at Roswell Army Air Field during the July 1947 debris recovery was the 509th Bombardment Group, Very Heavy. The 509th Bombardment Wing did not become an operational headquarters until 17 November 1947, more than four months after the incident. Although the distinction may appear minor, it affects the accuracy of military records, organisational history and later interpretations of the Roswell story. Official Air Force lineage documents clearly distinguish between the two formations and their respective dates of activation.[U.S. Air Force]af.milU.S. Air Force509 Bomb Wing (ACC) > Air Force > Fact Sheet DisplayAugust 3, 2015…Published: August 3, 2015

Group vs Wing illustration 1
Explanatory illustration 1

Was It the 509th Group or Wing?

The answer is straightforward: in July 1947, the organisation responsible for responding to the reported debris near Roswell was the 509th Bombardment Group.

At the time, Roswell Army Air Field’s flying units, intelligence staff and command structure all belonged to the group. Colonel William H. Blanchard commanded the 509th Bombardment Group, while intelligence officer Major Jesse A. Marcel served within its headquarters. The famous press release announcing the recovery of a “flying disc” was issued through the group’s command structure because there was no 509th Bombardment Wing yet in existence.[Whiteman Air Force Base]whiteman.af.milWhiteman Air Force BaseHistorian documents 509th, Whiteman AFB significance > Whiteman Air Force Base > NewsApril 12, 2012…Published: April 12, 2012

Military organisations frequently retain the same numerical designation while changing structure over time. In this case, the number “509th” remained constant, but the organisational level changed from a group to a wing as the newly independent Air Force reorganised its strategic bomber forces during late 1947 and the years that followed.[U.S. Air Force]af.milU.S. Air Force509 Bomb Wing (ACC) > Air Force > Fact Sheet DisplayAugust 3, 2015…Published: August 3, 2015

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The Unit Structure in July 1947

Understanding the terminology helps explain why the confusion developed.

In the United States Army Air Forces of 1947:

  • A bombardment group was the primary operational organisation, typically controlling several bomber squadrons.
  • A wing was a larger headquarters intended to supervise one or more operational groups together with support organisations.

During the Roswell incident, the 509th Bombardment Group was itself the senior operational formation at the base. There was no higher 509th wing headquarters above it. Consequently, official reports, personnel assignments and contemporary documents consistently identify the responding organisation as the 509th Bombardment Group rather than a wing.[U.S. Air Force]af.milU.S. Air Force Commanders form distinguished list > Air Force > Article DisplayU.S. Air Force Commanders form distinguished list > Air Force > Article Display

Group vs Wing illustration 2
Explanatory illustration 2

When the 509th Bombardment Wing Was Created

The distinction becomes clear when the chronology is examined.

The Air Force lineage is:[dafhistory.af.mil]dafhistory.af.milSource details in endnotes.

  • 10 July 1946: the wartime 509th Composite Group became the 509th Bombardment Group, Very Heavy.
  • 3 November 1947: the Air Force established the 509th Bombardment Wing, Very Heavy on paper.
  • 17 November 1947: the wing was formally organised at Roswell Army Air Field, and the existing bombardment group became one of its operational components.[U.S. Air Force]af.milU.S. Air Force509 Bomb Wing (ACC) > Air Force > Fact Sheet DisplayAugust 3, 2015…Published: August 3, 2015

This sequence means that every event associated with the Roswell recovery during early July 1947 occurred before the wing existed. Even though Colonel Blanchard later commanded both the group and the newly organised wing, those were separate commands established at different times.[U.S. Air Force]af.milU.S. Air Force Commanders form distinguished list > Air Force > Article DisplayU.S. Air Force Commanders form distinguished list > Air Force > Article Display

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Why the Naming Error Appears So Often

Several factors have encouraged the later title to replace the historically correct one.

First, the 509th Bombardment Wing survived as the continuing strategic organisation after the group was eventually inactivated, inheriting much of the group’s lineage, honours and public identity. Modern Air Force histories therefore focus heavily on the wing because it remains the active descendant organisation.[U.S. Air Force]af.milU.S. Air Force509 Bomb Wing (ACC) > Air Force > Fact Sheet DisplayAugust 3, 2015…Published: August 3, 2015

Second, many books, documentaries and media reports have relied on later Air Force terminology without checking the unit’s organisational status in July 1947. Since both organisations carried the same numerical designation and shared many of the same personnel, substituting “Wing” for “Group” can seem harmless even though it is historically inaccurate.

Finally, retrospective storytelling often compresses organisational changes. Authors writing decades after the event sometimes refer to the better-known modern title, unintentionally projecting a later command structure back onto the events of 1947.

Group vs Wing illustration 3
Explanatory illustration 3

Why the Distinction Matters in Roswell Accounts

Calling the responding organisation the 509th Bombardment Wing does not, by itself, change the evidence surrounding the Roswell incident. However, it does matter for historical accuracy.

Using the correct organisational title:

  • places documents and witness accounts within the proper military chain of command;
  • avoids introducing an organisation that did not yet exist;
  • helps distinguish contemporary records from later institutional histories; and
  • demonstrates careful attention to chronology, an important consideration in a case where dates, documents and official actions remain closely scrutinised.

The error also illustrates a broader problem in Roswell literature: later terminology is sometimes applied retrospectively, making historical records appear more straightforward than they actually were. Recognising that the July 1947 responders belonged to the 509th Bombardment Group rather than the later 509th Bombardment Wing helps keep the documentary record aligned with the military organisation that actually operated at Roswell during the incident.[U.S. Air Force]af.milU.S. Air Force509 Bomb Wing (ACC) > Air Force > Fact Sheet DisplayAugust 3, 2015…Published: August 3, 2015

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Endnotes

1. Source: af.mil
Title: U.S. Air Force509 Bomb Wing (ACC) > Air Force > Fact Sheet Display
Link:https://www.af.mil/About-Us/Fact-Sheets/Display/Article/434118/509-bomb-wing-acc/

Source snippet

August 3, 2015...

Published: August 3, 2015

2. Source: af.mil
Title: U.S. Air Force Commanders form distinguished list > Air Force > Article Display
Link:https://www.af.mil/News/Article-Display/Article/125234/commanders-form-distinguished-list/

3. Source: whiteman.af.mil
Link:https://www.whiteman.af.mil/News/Commentaries/Display/Article/325353/historian-documents-509th-whiteman-afb-significance/

Source snippet

Whiteman Air Force BaseHistorian documents 509th, Whiteman AFB significance > Whiteman Air Force Base > NewsApril 12, 2012...

Published: April 12, 2012

4. Source: whiteman.af.mil
Link:https://www.whiteman.af.mil/News/Article-Display/Article/836220/distinguished-honors-historian-speaks-of-509th-legacy/

Source snippet

Roger Hooker, Retired * 509th Bomb Wing Historian WHITEMAN AIR FORCE BASE, Mo. -- Unknown to me at...

5. Source: whiteman.af.mil
Title: The 509th BG was chosen to pioneer aerial refueling when
Link:https://www.whiteman.af.mil/News/Commentaries/Display/Article/836227/the-509th-pioneers-aerial-refueling/

Source snippet

509th pioneers aerial refueling > Whiteman Air Force Base > NewsNovember 24, 2015 — * Image: A KB-29 Superfortress (tanker) from the 509t...

Published: November 24, 2015

6. Source: wafbmuseum.org
Title: 509th Composite Group
Link:https://www.wafbmuseum.org/history-of-walker-air-force-base/509th-composite-group/

7. Source: armyaircorpsmuseum.org
Title: 509th Composite Group
Link:https://www.armyaircorpsmuseum.org/509th_Composite_Group.cfm

Additional References

8. Source: ndlsearch.ndl.go.jp
Link:https://ndlsearch.ndl.go.jp/en/rnavi/occupation/yf1_a76

Source snippet

Force Unit Histories and Supporting Records | 日本占領関係資料（憲政資料室） | Research Navi | National Diet LibraryJune 30, 2022 — AIR FORCE UNIT HISTO...

Published: June 30, 2022

9. Source: youtube.com
Title: Roswell’s First Witness: The True Story of the Man Who Found the UFO Debris
Link:https://www.youtube.com/watch?v=qGFizgXRVDU

Source snippet

509th Bombardment Group Roswell 1947 history The 509th Legacy - From 1944 to Today...

10. Source: youtube.com
Link:https://www.youtube.com/watch?v=H4AxRTzASxE

Source snippet

The Truth about Roswell: Decoding Decades of Deception...

11. Source: youtube.com
Title: UAP Files #2: The Army Announced a Flying Saucer (Rosswell)
Link:https://www.youtube.com/watch?v=LBBAlenxU4s

Source snippet

Roswell's First Witness: The True Story of the Man Who Found the UFO Debris...

12. Source: archives.gov
Link:https://www.archives.gov/research/military/air-force/ufos

Source snippet

Project BLUE BOOK - [Unidentified]({{ 'unidentified/' | relative_url }}) Flying Objects | National ArchivesJune 25, 2024 — THE "ROSWELL INCIDENT" The National Archives has been...

Published: June 25, 2024

13. Source: gbppr.net
Link:https://www.gbppr.net/mindcontrolforums/pro-freedom.co.uk/6583/roswell031.html

14. Source: dafhistory.af.mil
Link:https://www.dafhistory.af.mil/About-Us/Fact-Sheets/Display/Article/434051/509-weapons-squadron-amc/

15. Source: youtube.com
Title: The Truth about Roswell: Decoding Decades of Deception
Link:https://www.youtube.com/watch?v=rih9-80p0Ec

Source snippet

Roswell: The Real Cover-Up Wasn't Aliens...

16. Source: youtube.com
Title: Roswell: The Real Cover-Up Wasn’t Aliens
Link:https://www.youtube.com/watch?v=pmCTVKbpnbw

Source snippet

UAP Files #2: The Army Announced a Flying Saucer (Rosswell)...

17. Source: ufotransparency.com
Title: 1995 07 28 gao [roswell report]({{ ‘the-roswell-report/’ | relative_url }}) nsiad 95 187 gao nsiad 95 187 roswell 1995
Link:https://ufotransparency.com/files/1995-07-28-gao-roswell-report-nsiad-95-187-gao-nsiad-95-187-roswell-1995