Step #8 becomes so easy as to not require flaps, if you hammerhead the B25 with separate engine throttling, to the right hand side. It will remove a lot of the vertical (relative to the pilot seat) velocity as you're coming out of the reverse, which means less time spent waiting for the plane's motion to settle and match the gunsight, i.e. easier bombing. This also applies to 75mm shots.. This method makes killshots on tigers a lot easier.