Limon, ColoradoMay 1956

Insufficient Data

Summary

Project Blue Book, the U.S. Air Force's 22-year UFO investigation program, opened a case file on a sighting reported from Limon, Colorado in May 1956. The full case file (3 scanned pages of witness statements, Air Force memoranda, and investigator notes) is reproduced below as held by the National Archives. The Air Force assigned this case to its broader investigation of unidentified aerial phenomena alongside ~12,600 other reports filed between 1947 and 1969. Citation: NARA Record Group 341, Microfilm Publication T1206, Roll 25.

Reported location

Limon, Colorado

Date of incident

May 1956

State / country

CO / US

Page count

3 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 25

Original case file scans

Original case file · scanned by NARAPage 1 of 3

Transcribed text

PROJECT 10073 RECORD CARD

1. DATE: 11 May 1956
2. LOCATION: Limon, Colorado
3. DATE-TIME GROUP: Local
GMT: 12/0341Z
4. TYPE OF OBSERVATION: Ground-Visual
5. PHOTOS: No
7. LENGTH OF OBSERVATION: 30 seconds
8. NUMBER OF OBJECTS: one
9. COURSE: E then N faded out

12. CONCLUSIONS:
Was Balloon [  ]
Probably Balloon [  ]
Possibly Balloon [X]
Was Aircraft [  ]
Probably Aircraft [  ]
Possibly Aircraft [  ]
Was Astronomical [  ]
Probably Astronomical [  ]
Possibly Astronomical [  ]
Other [  ]
Insufficient Data for Evaluation [  ]
Unknown [  ]

6. SOURCE: Civilians
10. BRIEF SUMMARY OF SIGHTING: One round object, size of grapefruit. Color white. Sound similar to that of a truck. Object first appeared in West heading E then turned N and faded from sight.
11. COMMENTS: A/C

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Source: National Archives Catalog · NAID 28965608

Connected across the archive

People

1/LT ALEXANDER S

Organizations

Programs and code names

Project Blue Book

Places

Colorado Limon Limon, CO Limon, Colorado

Agencies

United States Air Force

Dates

11 May 1956 1956 1956-05-01