What Did the Wurtsmith Radar Pursuit Really Show?

Introduction

The most important point about the KC-135 pursuit during the Wurtsmith Air Force Base incident is that it did not establish extraordinary aircraft performance. What it established was far narrower: a military tanker crew reported seeing lights over Lake Huron, obtained a radar return known as a “skin paint”, tracked it for a limited distance, believed there may have been a second target, and then lost contact. The surviving Air Force messages do not describe impossible speeds, abrupt accelerations, or continuous radar tracking. Instead, they document a short and fragmentary interception attempt during a confusing security incident.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

This distinction matters because later retellings often compress the entire Wurtsmith episode into a dramatic story of unidentified craft outrunning military aircraft. The original records support a more cautious conclusion. The KC-135 crew encountered something they could not identify, but the available evidence is too limited to prove that the target displayed exotic capabilities.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

How the KC-135 Was Sent to Investigate

After reports of a low-flying unidentified aircraft near Wurtsmith Air Force Base on the night of 30–31 October 1975, military authorities sought additional information beyond the ground observations. A KC-135 Stratotanker returning to the area was directed towards Lake Huron to help identify radar contacts associated with the security alarm.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

The tanker was not a dedicated fighter interceptor. It was a large aerial refuelling aircraft whose crew happened to be available in the vicinity. That context is important because the mission was essentially an ad hoc identification effort rather than a carefully planned air-defence interception. The crew’s observations therefore became one piece of evidence among several, alongside security-force reports and ground radar observations.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

The surviving command messages indicate that radar operators had detected traffic connected with the incident and that the KC-135 was vectored towards the area over Lake Huron where contacts had been reported.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

What Visual and Radar Contact Was Reported

The key contemporary report states that the tanker, flying at approximately 2,700 feet, obtained both visual contact and a radar return while over Lake Huron. In radar terminology, a “skin paint” generally means a direct radar reflection from a physical object rather than an inferred position or procedural track. According to the report, the crew maintained this contact for roughly twenty miles while the target moved south-eastward.[NICAP]nicap.org751030wurtsmith dirUFO ReportA tanker at 2700 feet had visual and skin paint out over Lake Huron for about 20 miles heading SE. Tanker reports he think…

The same message contains another detail frequently cited in later UFO discussions: the crew thought they might have detected a second radar target. Importantly, the wording is tentative. The report states that the crew “thinks” it saw a second skin paint rather than confirming a second aircraft beyond doubt.[NICAP]nicap.org751030wurtsmith dirUFO ReportA tanker at 2700 feet had visual and skin paint out over Lake Huron for about 20 miles heading SE. Tanker reports he think…

The records therefore support three limited conclusions:

These points are stronger than a purely anecdotal sighting because they involve both visual observation and radar information. At the same time, they fall well short of proving the nature of the object being tracked.

What Happened When Contact Was Lost

One of the most frequently misunderstood elements of the Wurtsmith story concerns the end of the pursuit.

The original message reports that the tanker lost all contact approximately thirty-five miles south-east of the base over Lake Huron. The record does not state that the target accelerated away at extraordinary speed. Nor does it describe a dramatic radar event in which a tracked object instantly vanished while being continuously monitored. It simply records that contact was lost.[NICAP]nicap.org751030wurtsmith dirUFO ReportA tanker at 2700 feet had visual and skin paint out over Lake Huron for about 20 miles heading SE. Tanker reports he think…

Other accounts connected with the incident mention lights being extinguished or becoming difficult to follow. In practical aviation terms, losing visual contact with a distant light source at night is not unusual. Radar contact can also be intermittent, especially at relatively low altitude, over water, and during an improvised tracking effort rather than a dedicated interception. The surviving documents do not provide the detailed radar data that would be necessary to reconstruct exactly why contact ended.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

As a result, the loss of contact is best understood as an unresolved outcome rather than evidence of extraordinary manoeuvring.

Why Losing the Targets Does Not Prove Exotic Speed

Many later retellings implicitly treat the disappearance of the radar contact as proof that the object outran the KC-135 or demonstrated capabilities beyond known aircraft. The contemporary record does not support that conclusion.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

Several possibilities fit the available evidence:

• The target moved beyond effective visual or radar tracking range.
• The crew lost sight of lights that were switched off or obscured.
• Radar returns became intermittent.
• More than one ordinary aircraft may have been involved, creating confusion about which target was being followed.
• The original ground reports, radar observations and airborne observations may not all have referred to exactly the same object.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

What is missing from the record is just as important as what is present. There are no documented speed calculations showing impossible performance. There are no recorded radar plots demonstrating instantaneous acceleration. There is no confirmed sequence showing a target leaving the area at a velocity beyond known aircraft capabilities.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

For historians of Michigan UFO cases, that absence of evidence matters. The KC-135 pursuit is often cited because it involved both military personnel and radar. Yet the strongest defensible claim is not that the tanker chased an extraordinary craft. It is that trained aircrew obtained a brief visual and radar contact with an unidentified target that they were unable to identify before contact was lost.[NICAP]nicap.org751030wurtsmith dirUFO ReportA tanker at 2700 feet had visual and skin paint out over Lake Huron for about 20 miles heading SE. Tanker reports he think…

What the Pursuit Actually Established

Viewed narrowly, the KC-135 episode strengthened the Wurtsmith case by showing that the incident was not based solely on a single witness or a ground observer’s mistake. A military aircraft crew reported visual contact and at least one radar return associated with the event. That gives the incident greater evidential weight than many routine UFO reports.[NICAP]nicap.org751030wurtsmith dirUFO ReportA tanker at 2700 feet had visual and skin paint out over Lake Huron for about 20 miles heading SE. Tanker reports he think…

Viewed more broadly, however, the pursuit did not establish the extraordinary claims that later grew around it. The available records do not demonstrate impossible speed, impossible manoeuvrability, or a confirmed non-human technology. They document a real but limited radar-and-visual encounter whose ultimate explanation remains uncertain. Within Michigan’s UFO history, the significance of the KC-135 pursuit lies in that middle ground: stronger than a simple anecdote, but far less conclusive than some later retellings suggest.[Defense Logistics Agency]esd.whs.milDefense Logistics Agency[PDF] NMCCI, - Executive Services DirectorateSeptember 26, 2012 — Tanker lost all contact approY.iwatell' sightings at Wurtsmith AFB, Michigan at…Published: September 26, 2012

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Endnotes

1. Source: nicap.org
Title: 751030wurtsmith dir
Link:https://www.nicap.org/751030wurtsmith_dir.htm

2. Source: media.defense.gov
Title: AFD 100929 015
Link:https://media.defense.gov/2010/Sep/29/2001309638/-1/-1/0/AFD-100929-015.pdf

3. Source: esd.whs.mil
Title: Defense Logistics Agency[PDF] NMCC
Link:https://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20Room/UFOsandUAPs/assort1.pdf?ver=2017-05-22-113455-667

Published: September 26, 2012

4. Source: facebook.com
Link:https://www.facebook.com/groups/wurtsmith/posts/10160926694951483/

Published: December 26, 2024

Additional References

5. Source: facebook.com
Title: us air force jet disappears near strait of hormuz was it shot down vantage on fi
Link:https://www.facebook.com/firstpostin/videos/us-air-force-jet-disappears-near-strait-of-hormuz-was-it-shot-down-vantage-on-fi/2302662896806794/

6. Source: twz.com
Title: The Mysterious Cold War Case Of Unidentified Aircraft Descending
Link:https://www.twz.com/35674/the-bizarre-mystery-of-unexplained-aerial-incursions-over-loring-air-force-base

Published: November 27, 2020

7. Source: ss.sites.mtu.edu
Title: wurtsmith air force base a brief history and life on post
Link:https://ss.sites.mtu.edu/mhugl/2017/10/21/wurtsmith-air-force-base-a-brief-history-and-life-on-post/

Published: October 21, 2017

8. Source: ntsb.gov
Link:https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR7512.pdf

Published: August 1, 1975

9. Source: youtube.com
Title: New Subscriber Firsthand Account UFO’s at Wurtsmith Air Force Base
Link:https://www.youtube.com/watch?v=J_lGSWW0Eu4

10. Source: youtube.com
Link:https://www.youtube.com/watch?v=X7c6LMgr_N0

11. Source: youtube.com
Title: UFO Cases Submitted by Subscribers: Wurtsmith Air Force Base
Link:https://www.youtube.com/watch?v=huhJXZeiOv0

12. Source: youtube.com
Link:https://www.youtube.com/watch?v=CnwsiOIJE5U

Published: October 1975

13. Source: reddit.com
Link:https://www.reddit.com/r/aviation/comments/1rsp2kp/all_crew_members_of_us_kc135_loss_in_iraq/

14. Source: wafb.net
Link:https://wafb.net/Main-Gate/WAFB-Timeline