Explanation of the Recent "Strange Craft" Sightings

I'm using the alias Isaac, and used to work in what was called the CARET program in the 80's. During my time there, I worked with a lot of the technology that is clearly at work in the recent drone/strange craft sightings, most notably the "language" and diagrams seen on the underside of each craft. What follows is a lengthy letter about who I am, what I know, and what these sightings are (probably) all about...Story Here