First Responders/military: how would you report in a monster/alien/giant bug/dinosaur/etc attack? And how long till you're taken seriously?

[Raza]

I have written and posted the whole story in MPSIMS:

The Night Aliens Landed in Mims (long)

SDMB note 1: I created this post as an offshoot of: [[SDMB note 2: as I write below, I have carried this story around in my head for decades; what better place to first publish it than here, where I’ve spent so many thousands of hours over the years, reading and learning and laughing.]] [I have always presented this incident orally, as it is the only way to preserve the flavor given by the Southern gentlemen involved, and the excitement of the participant who relayed the story to me. Thus hav…