What happened
A dull white domed disc about 20 feet across and 6 to 8 feet thick flew straight and level from horizon to horizon in about ten seconds, shimmering as if it were spinning.
"shaped like a cymbal, or domed disc"Shape words from the Project Blue Book summary
Witnesses
Mr. and Mrs. Vernon Swigert; he was an electrician
Explanation
Unresolved
Sources
- Patrick Gross, Project Blue Book unknowns of 1948ufologie.patrickgross.org
- The Black Vault, Project Blue Book unknown case files, complete listtheblackvault.com
Filed by Project Blue Book as unidentified.