I know there is a thread involving the Sandhurst Excercises and the operation itself failing. But I'm not worried about that I'm more wondering about the effect of a failed Sealion. And for the failed Sealion lets say its a brutal massacre, with only a few German units even making it across and then promptly being massacred with gas and machine gunfire.
So I'm wondering how such a botched operation might effect the war. No doubt the Heer's morale would be crushed, so how might Barbarossa be affected. And how might the Japanese be affected with the Heer being dealt a significant defeat like that. Just in general, how would the war be affected by a failed Sealion?