UAP in the UK Air Defence Region: Result of Internal Review - Vol 3: Ch 1, pg 8, para 27

Volume 3: Chapter 1, page 8, paragraph 27

The following sentences from this paragraph have now been released (the first two with minor redactions): “Horizon Geometry - the inner rings around the sites at Figure 1-1 shows the horizon range rings for targets at XX altitude. Targets further away and those at less than XX altitude will not be seen”. XXXXXXXXXXXXXXXXXXXXXXXXXXX “[These areas may or may not be those where visual witnesses happen to be present at the time]”.
(This is available at the link below).

(Please see Volume 3, Part B, page 8 of the Report on the MOD Freedom of Information Publication Scheme for the previously released (redacted) version of this page). See Link opposite.