23857122-1717-583307

aed AF FORM 112—PART Il st oo ELRSSIFGRTION AIR INTELLIGENCE INFORMATION REPORT FROM (Agency) REPORT NO, 740th AC&W Squadron EAFB, Rapid City, So. Dakota APPROVED 1. JUNE 1948 At 0024 MST, Mrs, Gertrude Dahl at Bismark Filter Center reported the object was doing maneuvers upward and to the east and west. The tail exhaust color was blue green similar to a blow torch. At 0045 MST, a third object was sighted in this area, green color, moving south at a slow rate of speed on a steady course at estimated 15,000 feet, position EB 2545. At 0047 MST, a fourth object was sighted, estimated at 2,000 fee…

Declassification Authority: NND 57565

A? FORM 112—PART ! . ANCE ‘ (CLASSIFICATION) SO RESPRICT EE soon ; Gvau ¢ APPROVED 1 JUNE 1948 | ij oy AIR INTELLIGENCE INFORMATION REPORT oe ame Unidentified Flying Objects FLYOBRPT AREA REPORTED ON FROM. (Agency) Rapid City, So. Dakota, Bismark, No. Dak. | 740th AC&W.Sqdn, EAFB, Rapid City, So. Dak. DATE OF REPORT DATE OF INFORMATION EVALUATION 8 August 1953 6 August 1953 lea (Pilots) B-1 (GOC) A-1 (7, PREPARED BY (Officer) SURE GOG Personnel » 54th FIS Pilots & JOHN W. BRISTOL, Captain, USAF : 740th AC&W Personnel REFERENCES (Control number, directive, previous report, etc., as applicable) …

uel DEGLASSIFER: | __ fteno TY | oS ae Lt VLE (Cancelled) At 1035 I took of for CAP. I spent approximately 15 minutes running a practice intercept on a RB~36 flying in the local area. I broke off the intercept at the 36's request and continued flying locally. At 2005 the GCI controller notified me of a report of an object hovering 7 miles West of Rapid City and asked me to investigate. I proceeded to a point approximately 7 miles due West of Rapid City, S.D. and started a port orbit for search. I continued searching until 2020 with the controller giving me all the information that had been pho…

Declassification Authority: NND 57565

At 2115 MST, on 5 August 1953, I took off in an F-84 to accomplish a Combat Air Patrol. Approximately three minutes later, I contacted Grady Control by radio. Grady informed me that the Ground Observer Corps had spotted a flying object (a light) in the air north east of Black Hawk, South Dakota. Grady requested that I investigate the object but was unable to give information concerning the objects speed, heading or altitude. After making three requests to Grady for a vector to the vicinity of Black Hawk, I finally saw what was apparently the object. At the time of detection, I was on a course …

Declassification Authority: NND 57565

Approximately five mimtes later, I reached the field and began an orbit to the left around the field at 10,000 feet to receive landing instructions. When east of the base and on a hesding of 330°, Grady called to request that I attempt to take gun camera pictures of the original object if I could locate it again. After a short search to my right, I located what appeared to be the original object. I then made a turn of unknown magnitude to the right and expended about forty feet of film in an attempt to photograph the object. At this time, the ob- ject appeared to be only slightly above my alti…