Condign volumes 1 to 3

Internet Archive · 258 pages · text by OCR, confidence 98%

No summary written yet.

Open the PDF at page 230 Original source ↗

UNCLASSIFIED SECRET UK RESTRICTED DIS SCIENTIFIC & TECHNICAL MEMORANDUM 55/2/00 --- WORKING PAPER NO. 20 OPTICAL MIRAGES OPTICAL MIRAGES Para Page Optical Conditions 1 20-1 Object Position 2 20-1 UAP CONTEXT 3 20-2 17 February 1999 i XXXXXXXXXX S.40 UNCLASSIFIED UK RESTRICTED SECRET

Cited by

Project Condign: the MoD's secret study of Unidentified Aerial Phenomena in the UK Air Defence Region 2000
UK Ministry of Defence UFO Files Released to The National Archives, 2008 to 2013 2008

About this file

Document, cited by the archive. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model (mean confidence 98%); expect the odd misread word. 258 pages are in the text index: search them above, or from the library's search.