What happened
An intense, dull yellow light dropped straight down, then flew straight and level very fast for four minutes.
"intense, dull yellowish light"Shape words from the Project Blue Book summary
Witnesses
1st Lt. Frank Mattson
Explanation
Unresolved
Sources
- Patrick Gross, Project Blue Book unknowns of 1950ufologie.patrickgross.org
- The Black Vault, Project Blue Book unknown case files, complete listtheblackvault.com
- Patrick Gross, case fileufologie.patrickgross.org
Filed by Project Blue Book as unidentified.