Books in the Dan Lenson Novels series

For four years at Annapolis he prepared for this, pledging his youth, his ambition, and even his life. But when junior officer Dan Lenson finally gets his commission, it's an aging World War II destroyer. Now, with a mix of pride and fear, he heads into the world's most dangerous seas.As the Ryan plunges into the dark waters of the Arctic Circle at the height of storm season, Lenson and the crew pursue a mysterious and menacing enemy. But he soon discovers a foe even more dangerous within the Ryan, advancing a shocking agenda that drives the ship closer and closer to disaster-testing Lenson's life and loyalty to their very limit.

The Navy's most sophisticated destroyer, the USS Barrett carries a top-secret computer that can pilot an unmanned ship and send it into battle. As the weapons officer charged with its first mission Lieutenant Dan Lenson has a chance to make naval history.But when the system develops a sinister virus and a sailor takes his own life amid ugly allegations, Lenson finds himself caught in a web of betrayal. Now, on the treacherous Windward Passage between the U.S. and Cuba, he'll undergo the ultimate test of honor and faith-- one that could cost him his career, his ship, and even his life.