Why do demons need ships to travel?
Demons may take the form of whatever a particular culture fears or is fascinated by. One thing that is interesting is that in cases of sleep paralysis that prior to the atomic age most people reported seeing witches or devils in their bedroom, but once the 50s rolled around it quickly changed into aliens.
“Obviously some of the UFOs can be explained, some of them, by governmental experiments and things of that sort, which people are not necessarily used to‘