Which inadvertently proved it's own effectiveness when some of the buildings at the base being used for testing were burnt down because some bats flew outside t

Which inadvertently proved it's own effectiveness when some of the buildings at the base being used for testing were burnt down because some bats flew outside the intended test range and roosted in random buildings. Pretty grizzly story and I'm glad it didn't go to wide spread adoption but that part has always been hilarious to me.