According to Mr Ratcliffe, officials will seek out plausible explanations for these unusual sightings.
These could include inquiries such as “whether or not our adversaries have technologies that are a little bit further down the road than we thought or that we realised” as well as simple weather-related phenomena.
He also noted: “There are instances where we don’t have good explanations for some of the things that we’ve seen.”
The interview was welcomed by Nick Pope, a former MOD insider who investigated UFO sightings for the British Government.
Mr Pope thinks the news has shifted the discourse around UFO sightings.