Like its World War II namesake of Leyte Gulf fame, USS Samuel B. Roberts (FFG 58) was a small combatant built for escort duty. But its skipper imbued his brand-new crew with a fighting spirit to match their forebears, and in 1988 when the guided missile frigate was thrust into the Persian Gulf at the height of the Iran-Iraq War, there was no better ship for the job. Forbidden to fire unless fired upon, Captain Paul Rinn and his crew sailed amid the chaos in the Gulf for two months, relying on...