![](https://www.historynet.com/wp-content/uploads/2018/02/Dam-skip960_640.jpg)
releasing its spinning mine, which then bounces across the water toward the shoreline, closely watched by a group of observers. Dr Barnes Wallis, on the extreme left of the group, can be seen urging the bomb on.
releasing its spinning mine, which then bounces across the water toward the shoreline, closely watched by a group of observers. Dr Barnes Wallis, on the extreme left of the group, can be seen urging the bomb on.