I seem to recall a similar exercise. And the stunning results ended being attributed to the commander of the opposing forces using oversights and loopholes in the set rules to his advantage. Like Bicycle Messengers somehow being a near instantaneous method of communication.

Edit:Further research reveals it was in fact Millennium Challenge. The Opfor commander was accused of shenanigans. He in turn accused his opposition of trying to cook the results to demonstrate the superiority of prevailing U.S Military Thought at the time and limiting his ability to respond.

I seem to recall a similar exercise. And the stunning results ended being attributed to the commander of the opposing forces using oversights and loopholes in the set rules to his advantage. Like Bicycle Messengers somehow being a near instantaneous method of communication