Some of the tests blew up large craters. If you haven't seen the movie Trinity and Beyond, its a good one. They started running out of atoll islands to blow up

Some of the tests blew up large craters. If you haven't seen the movie Trinity and Beyond, its a good one. They started running out of atoll islands to blow up so they ferried the bombs in barges. The bravo test was done from a tower, it was the largest test we did.