The US government is keeping tabs on any and all claims of UFO sightings as part of an ‘above top-secret’ programme, a whistleblower has alleged.

‘Immaculate Constellation’ is an alleged database of high-quality photographs, videos, firsthand accounts and electronic sensor evidence of UFOs.

Officials use the off-the-books programme to ‘detect’ and ‘quarantine’ UFO materials without congressional knowledge or oversight, according to a leaked report shared with the Substack newsletter Public.

American military and intelligence officials have a ‘high level of confidence in the accuracy and integrity of the data gathered’, which includes mentions of not only UFOs but ‘Alien Reproduction Vehicles’, or reverse-engineered crafts.

If confirmed, the very existence of ‘Immaculate Constellation’ would be a ‘game-changing development’, the UK’s top UFO expert told Metro…