The United States Navy has come a long way, from its first wooden frigates to today’s nuclear carriers. But in all that time, one thing remained almost as fixed as the North Star: A skipper’s power to throw troublesome sailors in the brig with nothing to eat but bread and water. Though it sounds like something from an old pirate movie, the antique penalty is not only still on the Navy’s books, it is still actually imposed, despite a century of abolition efforts. On New Year’s Day, it will finally go by the boards. A sweeping update of the Uniform...