City Beneath the Sea
Admiral Mike Matthews reluctantly takes back his old command, the sub-oceanic city of Pacifica. His old crew are resentful of his return due to the fact that he was responsible for the death of a man during his previous command. The city will be used to store both America's gold reserve and an unstable explosive element H128 that can only be safely contained when surrounded by gold. However, Pacifica comes under threat from a meteor. …