"They" defeated Rommel. No one can say whether he would have done so without Bletchley. Personally, I doubt he would have done so without the Med fleet utterly

"They" defeated Rommel. No one can say whether he would have done so without Bletchley. Personally, I doubt he would have done so without the Med fleet utterly destroying all of Rommel's resupply train, but that's just my opinion.