Aviation News – Germany and France have agreed to abandon a flagship project to develop a next-generation European fighter jet after failing to overcome longstanding industrial disputes between the companies involved. The decision marks a significant setback for one of Europe’s most ambitious defence initiatives and raises new questions about future military cooperation on the continent.



So far I don’t see pilots refusing too.
Generally true, and yet:
https://www.nytimes.com/1973/07/17/archives/an-accused-pilot-being-sent-to-us-b52-pilot-refused-order-to-bomb.html
https://www.smh.com.au/world/middle-east/our-pilots-refused-to-bomb-40-times-20040314-gdijb4.html
Also, not a pilot, but an easy demonstration of the possibility:
https://en.wikipedia.org/wiki/Stanislav_Petrov
There’s plenty of examples, even if they’re just a drop in the bucket of bootlicking.
Your argument just proves my point. If it were common you wouldn’t have to dig for a few examples.
I was in the army, not the US but still, for 4 years and even though you can legally refuse certain orders the whole machinery is designed to make you stupid and accept authority without question.