38 143685 box Incident Summaries 101-172
The released record says a clipping attributed recovered meteorites from the February 18 northern Kansas fireball to Oscar Monnig. File: 38 143685 box Incident Summaries 101-172. 38 143685 box Incident Summaries 101-172 combines an official, downloadable document, 15 extracted claims, 5 evidence records, and 2 timeline entries across 178 source pages, and file-level provenance that can be compared with related release records.
- File
- Document · Release 01
- Extent
- 178 pages
- Agency
- Department of War
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Probed Assessment
The released record says a clipping attributed recovered meteorites from the February 18 northern Kansas fireball to Oscar Monnig. File: 38 143685 box Incident Summaries 101-172.
Key takeaways
- The released record says meteorites were recovered from the February 18 incident.
- The released record says leland Sammons witnessed an object hovering above his house on February 18.
- The released record says the explosion near Norcatur, Kansas, was not explained by astronomers.
Why it matters
38 143685 box Incident Summaries 101-172 combines an official, downloadable document, 15 extracted claims, 5 evidence records, and 2 timeline entries across 178 source pages, and file-level provenance that can be compared with related release records.
Corroboration
For 38 143685 box Incident Summaries 101-172, the release establishes official provenance but does not independently verify the record's statement that a clipping attributed recovered meteorites from the February 18 northern Kansas fireball to Oscar Monnig.
Open questions
- • Which companion records, if any, independently corroborate the source claims extracted from this 178-page document?
Probed separates this editorial assessment from the source claims below. It summarizes what the released artifact supports; it is not independent verification.
Official Description from War.gov
Each of these incident summaries includes a "Check-List - Unidentified Flying Objects" that contains details about the incident. Many summaries also include witness lists or statements and other narrative reports or descriptions.
Preserved verbatim as source metadata. This wording is separate from Probed’s file-specific description and assessment.
File Context
Related entities
Tracker findings
Leland Sammons witnessed an object hovering above his house on February 18
The released document states that leland Sammons witnessed an object hovering above his house on February 18.
Kenneth Hays identified the object as a rocket
The released document states that kenneth Hays identified the object as a rocket.
Incident summary describes rapid acceleration after left turn
The OCR page says the object made a left turn, leveled out on a 270-degree heading, accelerated rapidly, and disappeared from sight within about five seconds.
Incident summary describes stationary objects then rapid acceleration
The OCR page reports three objects overhead at 15,000 to 20,000 feet, initially stationary and then rapidly accelerating.
Incident summary notes no sound and no exhaust trails
Incident summary notes no sound and no exhaust trails. The OCR page states: There was no sound heard, and no exhaust trails were observed. St the time of the sight visibility was unlimited, scattered cumlous, base 3000 feet, tons feet.
Incident summary describes rapid acceleration after turn
Incident summary describes rapid acceleration after turn. The OCR page states: Meyers immediately started @ left turn with the intention of intercepting re more positively identify rt erry While Meyers was making a left turn, the object mie a left turn, then leveled out on.
Greenville AFB summary lists stationary objects that accelerated
Greenville AFB summary lists stationary objects that accelerated. The OCR page states: C. Placo of observation Greenville AF Base 2 Numbor of objocts # 3-1 at first , B later Distance of objoct from obsorvor 15,000 to 20,000 ft overhead Timo in sight 2 mimtes Altitude.
Greenville AFB witnesses ruled out balloons after rapid movement
Greenville AFB witnesses ruled out balloons after rapid movement. The OCR page states: When first sighted, the witnesses thought theobjects might be weather balloons, However, when they accelerated so repidly in a northerly heading, they determined the objects could not be balloons. They were in a trail.
Greenville AFB account gives two-minute sighting duration
Greenville AFB account gives two-minute sighting duration. The OCR page states: They were in a trail formation on a North-South line, and moved so rapidly they wereout of sight within a few seconds. From original sighting in the stationary position to their disappearance, a period.
Radar summary tracked target from 6,500 to 18,000 yards
Radar summary tracked target from 6,500 to 18,000 yards. The OCR page states: This target was contacted on the air search radar at 1500 GCT on 18 April 18, The first contact was made at 6500 yards and was tracked to 18,000 yards giving a velocity of.
Anacostia checklist records one UFO observation
Anacostia checklist records one UFO observation. The OCR page states: CHECK=LIST - UNIDENTIFIED FLYING OBJECTS Date 30 April 19s ts eeident # 126 Time 1015 Location Anacostia, Naval Air Station, 38°52°N, 77°0'W- Kamo of observor Marcus L,Lowe Occupation of obsorvor Lt Commander, US Navy.
Incident summary describes tight diamond-shaped formation
Incident summary describes tight diamond-shaped formation. The OCR page states: Speed 500 MPH + 13. Directi f flight roached first from NW ; raterus 1 ee right and disappeared in Sif 14, Tactics tight diamond-shaped formation 15.
Incident summary gives altitude with no sound or exhaust trail
Incident summary gives altitude with no sound or exhaust trail. The OCR page states: Altitude was judged to be approximately 3000 ft. No sound audible from the object; no exhaust treil visible.
Ohio report describes pale yellow-white object at 3,000-4,000 feet
Ohio report describes pale yellow-white object at 3,000-4,000 feet. The OCR page states: Unidentified Flying Object MCTAXO=3 MCTAKO-, 16 July Ls ls» At 2147 hours on 9 July 19/8, the undersigned sighted an unidentified object flying from east to west at approximately three or four thousand feet.
Flight account says object had no visible wings
Flight account says object had no visible wings. The OCR page states: It wes a clear moonlight night with the visi- as passed for 2 period of eround ten seconis, It wes clear there - were no wings present, that it wes by some jet or.
Flight account describes jet-like object passing near aircraft
Flight account describes jet-like object passing near aircraft. The OCR page states: At 2:45 A, M. we were cruising at 5,000 feet when there came, ' what looked like a Jet type of atrcraft to our right and slightly above meeting us. It wes a clear.
Release provenance
- Release
- Release 01
- Official ID
- release-01-file-008-38-143685-box-incident-summaries-101-172
- Cleared
- May 8, 2026
Referenced Timeline
Meteor explosion over Norcatur, Kansas
A meteor exploded over Norcatur, Kansas, leaving a vapor trail and causing a series of explosions.
LinkedNorcatur, KansasRecovery of meteorite fragments
Several smaller fragments of the meteor were recovered, leading to the discovery of a larger piece.
Source Claims
Claims are attributed to the released source and remain distinct from Probed’s assessment and tracker findings.
A clipping attributed recovered meteorites from the February 18 northern Kansas fireball to Oscar Monnig.
Oscar Monnig ... "meteorites have been recovered from it."
Meteorites were recovered from the February 18 incident.
There were found, beginning April 2), first several smaller fragments up to one of 1/2 pounds. Then a disturbed spot in a clover field led to the digging up of a piece of some 109 pounds embedded about two feet in the soil.
Leland Sammons witnessed an object hovering above his house on February 18.
On February 18 at about 5 P.M., I was standing near my hog=pen about 100! east of my house, when I heard the pheasants raising a disturbance and the chickens all rushed to the chicken-house. I looked around toward the house to see what was…
The explosion near Norcatur, Kansas, was not explained by astronomers.
Information contained in the dispatch under a Denver dateline indicate that while many would call this object a bolide - e.g., exploding meteor - the astronomers of Chamberlin Observatory (Denver) did not so assess it: it is said in the dispatch that these officials could…
Dr. Lincoln LaPaz believes the Norcatur incident was a genuine meteorite fall.
As regards the Norcatur, Kansas incident, I remain convinced that, like the Four Corners incident, it was a genuine meteorite fall, although one of exceptional size.
The document records that object a forest lookout named Earl Holle saw at or soon after ):00 p.m., 3rd July, 1947, something he took to be a "tanker in flames", This was | Seen horizon-ward from a point in Sonoma County, California, near to Fort Ross.
object a forest lookout named Earl Holle saw at or soon after ):00 p.m., 3rd July, 1947, something he took to be a "tanker in flames", This was | Seen horizon-ward from a point in Sonoma County, California, near to Fort Ross.
The document records that nininger's idea that the thing was a meteor flatly disregards Pr, Rocht's opinion, which may have been based on the Denver Posts' statement that a Denver woman saw the Norcatur object twenty minutes before the explosion occurred.
Nininger's idea that the thing was a meteor flatly disregards Pr, Rocht's opinion, which may have been based on the Denver Posts' statement that a Denver woman saw the Norcatur object twenty minutes before the explosion occurred.
The document records that denio, employee of the Pacific General Electic “; 2, Informant Larsen stated that searching parties, aircraft and rescue “ units have made numerous attempts to locate these reported objects without success.
Denio, employee of the Pacific General Electic “; 2, Informant Larsen stated that searching parties, aircraft and rescue “ units have made numerous attempts to locate these reported objects without success.
The document records that effoct on clouds n/S Skotches or photographs None Manner of disappearance Disappeared suddenly Romarks: This was evidently the one object, of two sighted by : another witness, that veered to the right and down.
Effoct on clouds n/S Skotches or photographs None Manner of disappearance Disappeared suddenly Romarks: This was evidently the one object, of two sighted by : another witness, that veered to the right and down.
The document records that with reference to the object which I saw flying through the air between Plevna ani Miles City Montana on the night of May 17th, 1 will answer them and give yéu a graphic description again with a little more elaboration than my previous letter.
with reference to the object which I saw flying through the air between Plevna ani Miles City Montana on the night of May 17th, 1 will answer them and give yéu a graphic description again with a little more elaboration than my previous letter
The document records that enslow described it as a "Beautiful golden saucer glowing like a halo with a silver rim around ite" Direction of flight was from Northeast to South- west and the object was visible for approximately therr seconds.
Enslow described it as a "Beautiful golden saucer glowing like a halo with a silver rim around ite" Direction of flight was from Northeast to South- west and the object was visible for approximately therr seconds.
The document records that shannon Eastern Air Lines Miami, Fla, The following is a report of an unidentified aircraft which was sighted by John Whitted and me, as we were twenty miles southwest of Mont » Ala.
Shannon Eastern Air Lines Miami, Fla, The following is a report of an unidentified aircraft which was sighted by John Whitted and me, as we were twenty miles southwest of Mont » Ala.
The document records that vApb/ Informents stated that on 11 Aug 48 between 1200 and 1215 hours, CST, Jerome and Benno were playing in the back yerd and noticed en object in descent approximately twelve feet from the ground which was descending between the two of them.
VApb/ Informents stated that on 11 Aug 48 between 1200 and 1215 hours, CST, Jerome and Benno were playing in the back yerd and noticed en object in descent approximately twelve feet from the ground which was descending between the two of them.
The document records that s Carts When first seen objects were in a semi-stationary position, qa) oO First one object was sighted, next, another one appeared, = * Vie.
S Carts When first seen objects were in a semi-stationary position, qa) oO First one object was sighted, next, another one appeared, = * Vie
The document records that contected Captain Darnell, MORFOF, the pilot of one of the F-S0's who stated that he was in the Columbus area at the time of sighting.
Contected Captain Darnell, MORFOF, the pilot of one of the F-S0's who stated that he was in the Columbus area at the time of sighting.
kenneth Hays identified the object as a rocket.
Looking up to the south-west, he saw what appeared to him to be a rocket, just like he had seen during the war in Europe.
Source Material & Evidence
Photograph of vapor trail
Incident #101
Testimony of Leland Sammons
Testimony of Kenneth Hays
Testimony of Ralph New
Letter from Dr. Lincoln LaPaz
Research Map
Lines appear only when two entities share a row-level source claim or dated timeline event. Unconnected nodes remain visible without implying a relationship.