Hill AFB, UtahJuly 1950

Insufficient Data

Summary

On July 5, 1950, at 1:50 p.m., three staff sergeants at Hill Air Force Base radar station in Utah observed an unidentified aerial object flying at approximately 20,000 feet altitude. The object was described as about 50 feet long and circular in shape. It moved on a course of approximately 120 degrees and passed directly over Hill AFB. The object was under observation for about 3 minutes and was estimated to travel between 8 and 700 miles per hour. No sound or exhaust trail was heard or seen. The object was silver in color. Radar was switched on shortly after the sighting, but the object disappeared before radar contact could be established. The Air Force evaluation is listed as unknown.

Reported location

Hill AFB, Utah

Date of incident

July 1950

State / country

UT / US

Page count

2 scanned pages

USAF evaluation

unknown

Microfilm

T1206, Roll 7

Original case file scans

Original case file · scanned by NARAPage 1 of 2

View transcribed text

PROJECT 10073 RECORD CARD

DATE: 5 Jul 1950

LOCATION: Hill AFB, Utah

DATE-TIME GROUP: 1250 MST

TYPE OF OBSERVATION: Ground-Visual

SOURCE: Hill

LENGTH OF OBSERVATION: 3 min

NUMBER OF OBJECTS: 1

PHOTOS: No

BRIEF SUMMARY OF SIGHTING:
50' long, circular in shape. No sound or exhaust trail. No radar contact. Silver in color.

CONCLUSIONS:
Possibly Balloon
Possibly Balloon
Possibly Aircraft
Possibly Aircraft
-35 Astronomi[cal]
Possibly Astronomical
Other
Insufficient Data is [illegible]

EVALUATION: [illegible]

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Source: National Archives Catalog · NAID 28937992