Simple solution.
Offer any Muzzie soldier who feels he cannot reconcile his religion with his duty a General Discharge. A “Get out of Jail Free” card.
Or .....
(I am reminded of a scene from the TV mini-series “Shogun”, in which Richard Chamberlain’s Samurai were asked to stomp on a crucifix as a sign that they disavowed the Christian faith. One warrior would not stomp. He was “dealt with” immediately by his fellows in typical Samurai fashion. Sometimes we could learn simple but effective lessons from more “primitive” cultures. I think we could find a supply of stompable Korans somewhere.....)
shibumi, theoretically, if islam was typical, what you suggest would be a test of sorts, but you forget taqiyya. If it advances the cause of islam, they will stomp on a koran. They would stomp on their mothers, or their children if asked and consider themselves righteous.
There is no higher calling than a believer deceive the infidel in order to defeat him in the end.
Nothing will work with them. No one will know until it is too late.
Casey and his ilk are idiots at best, traitors to the country and to the men and women they command at worst.