Project Blue Book Case File
20 Mi S of Portland, MaineDecember 1957
Summary
On December 8, 1957, a B-47 crew about 20 miles south of Portland, Maine reported a small object somewhat similar to a star. The crew was flying at 35,000 feet. The object held an unvarying heading. The Air Force recorded the case under Project 10073, its official record for unidentified flying object reports. The card notes that the time, appearance, and bearings indicated the object was Sputnik, the Soviet satellite.
Reported location
20 Mi S of Portland, Maine
Date of incident
December 1957
State / country
ME / US
Page count
6 scanned pages
USAF evaluation
unknown
Microfilm
T1206, Roll 31