The Edge of Honor (Unabridged‪)‬

A man's duty...a woman's passion...The Edge of Honor cuts both ways. In this sweeping novel of the Vietnam War at sea and on the homefront, Lieutenant Brian Holcomb, smart, ambitious, honorable, and up for promotion, discovers that his ship - the USS John Bell Hood - hides a dangerous secret. What Brian does about it may end his career, or threaten the lives of hundreds.
A fully-imagined tale of passion, adventure, and betrayal, The Edge of Honor features a cast of characters whose public vows and private motives drive the plot.