I've heard of them testing jet engine by throwing frozen chickens into them. I know they hit the occasional goose or duck.
Yeah. . .that’s an enduring funny story with no truth.
Story is: Testing engines and cockpit canopies by firing frozen chickens at the test bed, and the engines and canopy always shatter. . .until someone noticed that jets will not encounter frozen poultry when flying.
Brits always accuse the US of doing this. With the Brits, it’s always the Americans that are acting silly.
We used a Steam Turbine driven compressor to give them a simulated 600 thru 800 miles per hour air speed.
Before this we used live seagulls but the hippies got upset.