Not to insist that they don't exist, or that there may be alliances I'm to dim to ascertain - those are a long way from being proved or disproved.
First priority, non pentacostal, would be to find out if there is anything out there at all...can all those lights really be swamp gas and balloons?
Depends on their goal.
Depends on satan’s orders.
Depends on what God allows.
God was angry with them in Genesis for sharing war making technologies with man.
They’ve been doing it again on a grander scale.
Speaking emphatically from mostly ignorance and silence in terms of Scriptural evidence is not a greatly successful strategy.
But I also know some folks who have seen unidentified things that left them, not giddy with fun memories, but deeply frightened.
As regards fallen angels, anyone who has studied this particular enemy is keenly aware of its greatest weapon...deception!!!
I suggest ignoring the visual phenomena and focusing on what humans who claim to have been abducted say about this matter.
I don't know what is going on...but something is going on! We ignore the human response at our own risk.
Do these victims have proof? No. They have only the scars on their hearts...and sometimes on their bodies.
No. Wasn’t it Hynek who came up with swamp gas.
Regretted it the rest of his life. Thought it was a stupid statement.