At the time Oxcart was developed in the early 60s, civilian photo coverage was minimal. Now? If you're running a secret program, eventually it turns up. See a

At the time Oxcart was developed in the early 60s, civilian photo coverage was minimal. Now? If you're running a secret program, eventually it turns up. See almost certain RQ-180 photos: https://www.forbes.com/sites/davidaxe/2021/09/07/americas-new-stealth-drone-appears-to-be-operational-near-china/ https://www.forbes.com/sites/davidaxe/2021/09/07/americas-ne... https://aviationweek.com/defense-space/aircraft-propulsion/possible-photo-highly-secret-rq-180-aircraft-surfaces-online https://aviationweek.com/defense-space/aircraft-propulsion/p... The idea that there's a physics-breakthrough craft / technology out there, in active use, just isn't plausible. ... unless it's invisible? But the UFO crowd (surprisingly?) doesn't seem too eager to accuse the government of having invisible craft.