German U-boats threatened the Allies in World War II, but tactical changes and sheer numbers eventually negated the undersea peril.

U-Boat

Sunken U-boat Found After a 7 Year Search

By Nicholas Varangis

When most people think of World War II battle sites, North America seldom comes to mind. But the recent find of a German U-boat 30 miles off Cape Hatteras on the Carolina coast serves as a reminder of the naval combat that took place just off the shores of the United States. Read more

U-Boat

FBI Director J. Edgar Hoover and the Nazi Saboteur

By David Alan Johnson

It was just about midnight on June 12, 1942, and the Abwehr (Nazi Germany’s intelligence agency) hoped that Dasch and his three men, along with another four-man group to be put ashore on the coast of Florida, would be able to destroy factories of the Aluminium Company of America (ALCOA) located in the United States. Read more

U-Boat

Reginald Earnshaw: The Youngest British Casualty

By Michael E. Haskew

Duty in the British Merchant Navy was hazardous during World War II. Braving the stormy Atlantic, the expanse of the Pacific, and the daily rigors of life aboard ship were challenging enough during peacetime; however, during the dark days of the war a determined enemy, bent on bringing the island nation and its far-flung empire to their knees, unleashed a vicious campaign against Britain’s merchant lifeline. Read more

U-Boat

Hemingway Goes Sub Chasing

By Robert E. Cray, Jr.

“We are going to have Christ’s own bitter time to win it, if, when, and ever,” commented Ernest Hemingway to his friend and editor, Charles Scribner, at the start of World War II. Read more

U-Boat

Operation Pedestal: The Rescue of Malta

By Michael D. Hull

Located 58 miles south of Sicily in the Mediterranean Sea, the rocky, 122-square-mile island of Malta was the hinge upon which all Allied operations in the Middle East turned during the first half of World War II. Read more

U-Boat

The St. Nazaire Raid

By Flint Whitlock

Britain badly needed a victory. As if to underline Britain’s difficult fortunes, on May 21, 1941, the German battleship Bismarck and heavy cruiser Prinz Eugen dealt the island kingdom a serious blow by sinking the battlecruiser HMS Hood and severely damaging the new battleship HMS Prince of Wales during a furious engagement in the Denmark Strait.  Read more

U-Boat

Sitzkrieg on the Western Front

By Michael Hull

Within hours of the entry of Great Britain and France into World War II on September 3, 1939, the British liner SS Athenia was sunk by a German U-boat off the northwestern coast of Ireland, with the loss of 112 dead, including 28 American citizens. Read more

U-Boat

To Watch the Weather

By Marty Morgan

Throughout World War II the Allies enjoyed a certain advantage over the Axis that was purely the product of geography. Read more

U-Boat

The Fairey Swordfish Torpedo Plane a.k.a. Stringbag

By Glenn Barnett

The spring of 1941, particularly the month of May, was a troubled time for Great Britain. The German battleship Bismarck had sunk the huge British battlecruiser Hood in just six minutes and was making a getaway to the coast of German-occupied France. Read more

Japanese troops advance through the rubble of a destroyed building in Shanghai on October 29, 1937. Young Marine Captain Evans Carlson witnessed the onslaught.

U-Boat

Creating the OSS: FDR’s Network of Personal Spies

By Peter Kross

One of Franklin D. Roosevelt’s longtime interests was the hidden world of espionage. In the months before the United States entered World War II, the commander-in-chief was dabbling in the covert world of intelligence-gathering, using a number of trusted personal friends as his own private eyes and ears around the globe. Read more

U-Boat

The Sinking of Scharnhorst

By Robert Barr Smith

She was a beautiful ship, long and sleek and very fast. She was christened Scharnhorst,named for Prussian General Gerhard Scharnhorst,one of the revered founders of the Prussian Army. Read more