[troutman]

Bill Whitaker: What do you think when you see something like this?

Ryan Graves: This is a difficult one to explain. You have rotation, you have high altitudes. You have propulsion, right? I don't know. I don't know what it is, frankly.

He told us pilots speculate they are one of three things: secret U.S. technology, an adversary's spy vehicle, or something otherworldly.

Ryan Graves: I would say, you know, the highest probability is it's a threat observation program.

Bill Whitaker: Could it be Russian or Chinese technology?

Ryan Graves: I don't see why not.

https://www.cbsnews.com/news/ufo-mil...es-2021-05-16/