 In 1946, the United States exploded a 20-kiloton atomic bomb. Here's a clip of them talking about it. Away in the Pacific lies the tiny atoll of Bikini in the Marshall Islands, chosen spot for the unleashing of mankind's most terrible force. The lagoon will be the graveyard of many ships, a ghostly navy manned only by goats, pigs, and white rats awaiting the atomic blast. Hmm.