BLUEBOOKSource record archive

Project file

Project SIGN

Summary

Project or program extracted from archive source text: Project SIGN.

Origin

Not yet written. This page is a source-record cross-reference until the project history has been checked.

Scope

Not stated beyond the records currently linked below.

Key personnel

Not stated in the linked records.

Termination

Not stated in the linked records.

Current status

Cross-reference page. A full project profile has not been written yet.

Related records in BlueBook

2 linked records

1947-09-24 / Hobson, Ohio

Headquarters Eleventh Air Force forwarded a report to USAF Headquarters and Air Materiel Command at Wright-Patterson Air Force Base in May and June 1948 documenting a flying disc sighting at Hobson, Ohio on the night of 8 May 1948. The report, sourced from FBI Special Agent D.K. Brown in Cleveland, described a round, phosphorescent object appearing nine inches in diameter from ground level, traveling at heading 90 degrees at an altitude of 6 to 8 miles, witnessed by New York Central System employees and a patrolman.

1947-06-24 / Muroc Air Field, Muroc, California

The Air Materiel Command issued this initial report on unidentified flying objects on 23 April 1948, prepared at Wright-Patterson Air Force Base under Project SIGN, which had been directed by a Headquarters USAF letter dated 30 December 1947 signed by General L. C. Craigie on the subject of "Flying Discs." The report tabulates 100 sightings from 1947 through 1 February 1948, noting that exhaust trails were reported 23 times and that speeds ranged from hovering to supersonic.