U.S. Government UFO Document: “PROJECT 10073 RECORD CARD: DATE: 18 Apr 52/LOCATION: JAPAN”

(Project Blue Book, U.S. Air Force, Washington, D.C.)

Source: Fold3.com, Lindon, Utah

Quote from the document:

“Source: Det #21, 618 AC&W Sqdn.

Radar blip.”

Project Blue Book listed the case as “Unknown.”

My comment:

Radar showed that the unknown object was located

80 kilometres (50 miles) north west of Kyushu, according
to Brad Sparks (NICAP.org).

http://www.nicap.org/docs/520418kyushu_docs.pdf

http://www.nicap.org/reports/520418kyushu_rep.htm

Related posts:

realtvufos.blogspot.com/2020/02/ufo-case-directory-radcat-object.html

realtvufos.blogspot.com/search?q=April+1952

realtvufos.blogspot.com/search?q=1952

realtvufos.blogspot.com/search?q=Radar

realtvufos.blogspot.com/search?q=Radars

Map of Japan (lib.utexas.edu)

(lib.utexas.edu image)