References mention that Allied convoy escorts during the Battle of the Atlantic would sometimes raise this ominous-sounding alert. But why?
Scientist Matthew Maury modernized navigation techniques but his racist politics have made him a pariah
British Admiral of the Fleet Sir Philip Louis Vian was one of history’s great fighting commanders, serving with distinction during World War II
It took a sailor, a schoolboy and survivors more than half a century to disperse the cloud hanging over the sinking of the heavy cruiser
Attempts to master America's mighty waterways are forever doomed to fail
Jim Crossley highlights the Royal Navy career of Admiral Roger Keyes, who served Britain through both World Wars
In late 1917, an American soldier risked government censors’ wrath to smuggle home a letter about dodging German submarines while aboard a troopship headed for war
A new history of the Cuban Missile Crisis distills 60 years of official and secret narratives about the world's scariest moment