USAF record 28964437 (1955)

1. DATE 2. LOCATION 3. DATE-TIME GROUP 4. TYPE OF OBSERVATION 5. PHOTOS 6. SOURCE 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE 10. BRIEF SUMMARY OF SIGHTING

31 December 1955 25 miles west of Denver, Cole Ranch Park Colorado Local GMT 31/1805Z Dec 55 [ILLEGIBLE] ONCE Yes Civilian Estimated two (2) minutes One (1) Overhead, then towards north One (1) round object, the size of a matchhead held at arms length, estimated to be the size of a large type bomber aircraft. It was estimated that the object was at 40,000'. Object was silver in color ( described as being like aircraft in color). Observers' attention attracted by jet passing overhead, then they saw object. It moved slowly at first and then appeared to gain speed. Speed estimated to be from that of jet a/o to 1,000 MPH.

[STAMP: AISOP Form 5 (15 Oct 54)]

[HW: No Case in File]

AISOP Form 5 (15 Oct 54) [REDACTED] [REDACTED] [REDACTED] Ground-Visual Ground-Radar Air-Visual Air-Intercept Radar Was Balloon Possibly Balloon Was Aircraft Probably Aircraft Was Astronomical Possibly Astronomical Other Insufficient Data for Evaluation Unknown