They’re prepping you for the Dems last stand, a simulated alien invasion, which will be conspicuously pro Marxist.
I’d go with holograms or maybe if they’re really screwed they’ll use parts of the secret space program. Anti gravity ships will descended on DC draped in BLM slogans.
Who knows if Reagan was DS.
I’d be less worried about real UFOs and more concerned with SSP anti gravity ships.