H.M.S. Unseen

The H.M.S. Unseen is one of the most efficient, lethal submarines ever built. But suddenly, on a training mission off the English coast, it vanishes, baffling military intelligence on both sides of the Atlantic, including National Security Adviser Admiral Arnold Morgan. A missing weapon is dangerous enough. But then the unthinkable begins to happen....Planes begin blowing up across the skies.