Check out Patriots in Progress where I discuss “Part 106: Owls and Space Launch. Sky Fortress Engaged. Plausible Deniability. Learn the Comms.” publication from Substack.
https://rumble.com/v1hr1bd-patriots-in-progress-q-drop-publications-part-82.html
This has to do with CI@ small rocket plane X-37B and Space Force. Its missions are classified but they have to do with space weapons and satellite reconn. Plausible deniability is a 1950s era Watergate related CIA term at the time. "The organization of clandestine activity in such a way that knowledge of its existence may be denied by those in authority."
Within Intel agencies, it means there's Covert Action unlike Espionage, Is when a Target is aware of but either does not know, or cannot prove, who is influencing political, military, scientific, or economic factors in the target country. Plausible deniability is another way to say that the sponsor cannot be proven. This all ties in with the US/NATO data breach from the other day.