It was also seemed that the breached external wall almost seemed to have had a rather neat hole in it not the devastation one might expect if a 500 pounder had blasted it apart. I would have expected to see a rather larger crater unless the bomb had gone through said wall without exploding.
Ahh my friend.
You need to know something about weapons ballistics and WW2 warhead fragmentation characteristics to answer that.
...thus sprecht ein Jaguar pilot.................