It seems much more probable, however, the UFO in question is a Chinese paper lantern floating on the wind.
According to a batch of declassified MoD documents in 2013, Chinese lanterns account for a great number of sightings, with the number of reports rising during weddings and public holidays.
In one case, a group of soldiers from the Royal Irish Regiment at Tern Hill barracks, near Market Drayton, Shropshire, reported seeing a cluster of glowing objects flying overhead.
And after one of the soldiers filmed “lots of multi-coloured dots” ... Read even more