(Project Blue Book, U.S. Air Force, Washington, D.C.)
Source: Fold3.com, Lindon, Utah
Quote from the document (Page 1):
“Object white light, observed to come from very high alt. and almost touched ground. Speed 500-600K. Blinked, then went out. Slowed down, made two 360 deg turns.”
The UFO incident was witnessed by military pilots, according to the book, UFOs and Government – A Historical Inquiry.
The case is listed as “UNIDENTIFIED.”
Estacado is located in Crosby and Lubbock Counties, North West Texas.
Wikipedia article: “Estacado, Texas”:
County map of Texas (lib.utexas.edu)