Part of the context here is that Denmark like so many small European companies allowed the American military industrial complex to infiltrate it's military and

Part of the context here is that Denmark like so many small European companies allowed the American military industrial complex to infiltrate it's military and security services to the point where it cannot actually operate independently an hence have to say yes when this kind of request comes in they cannot really refuse. And this is by design as the US military "tech transfer" projects like the JSF/F-35 is explicitly designed to lock recipients into an bond with the US military/strategic establishment.