The Vault

When Lt. John Harkness is assigned as the new skipper of a submarine chaser equipped with an experimental steam engine, he hopes that the U.S.S. Teakettle's vet

An abandoned oil rig in the middle of the North Sea. Dr. Christine Hansen is charged with the task of testing an experimental cleaning fluid which could revolut

An experimental submarine with a very experienced crew, the "Siren II" is sent to find out what happened to the "Siren I" after it mysteriously disappeared in a