[EasySt]

These are ALL the same photo, from one source image, increasingly cropped and magnified.

https://thedcpatriot.com/first-look-photos-from-american-military-pilot-who-shot-down-one-of-the-ufos-are-eerie-pics-inside/

(and it looks like it could just be bird poop or a bug splat on the canopy...)

https://freerepublic.com/focus/f-chat/4131002/posts

If only there was video, or a second pic showing it in a different spot on the canopy. ;-)

~Easy

[HoneysuckleTN]

[Bob Ireland]

***and it looks like it could just be bird poop or a bug splat on the canopy***

Yes... and there are a bunch of other out-of-focus 'shadows' that are hard to explain. An odd place for pilot photos to appear.

[peteypupperdoo]

I think it looks like Porkchop! Is that you up there?

PPD