Union intelligence chief Colonel George Henry Sharpe is pictured with his staff at Brandy Station in June 1863. Left to right are Sharpe, John C. Babcock, an unidentified man, and John McEntee.

Intelligence

Civil War Intelligence

By Arnold Blumberg

The Union officer saw it quite clearly across the Rappahannock River: a hand-painted sign held up by a Rebel soldier that read, “Burnside and his pontoons stuck in the mud. Read more

Intelligence

German Spymaster Reinhard Gehlen

By William F. Floyd, Jr.

When Colonel-General Heinz Guderian, chief of the German General Staff, presented German leader Adolf Hitler with estimates of Russian strength for Operation Barbarossa, Hitler declared that the numbers were “completely idiotic” and “pure bluff.” Read more

Intelligence

Death of Admiral Isoroku Yamamoto

By Phil Zimmer

Admiral Isoroku Yamamoto, commander of the combined Fleet of the Imperial Japanese Navy, intended to press ahead with his morale-boosting visits to forward units in the South Pacific in April 1943, despite dire warnings from subordinates of possible enemy ambushes. Read more

Intelligence

Raid on St. Nazaire

By William F. Floyd, Jr.

The British flotilla moved with determination into the Loire estuary after midnight on May 28, 1942. Read more

Intelligence

Nazi Propagandist William Joyce

By Blaine Taylor

The most famous of the English-Language radio broadcasters from Nazi Germany was Brooklyn, New York-born William Joyce, known by the disparaging moniker Lord Haw Haw. Read more

Intelligence

Union Balloon Corps

By Don Hollway

A week after the first shots of the War Between the States at Fort Sumter in April 1861, the future of warfare came to Appalachia. Read more

Intelligence

William Wells

By Joshua Shepherd

Long before he attained fame as the co-commander of the Lewis and Clark expedition, William Clark was a discontented young lieutenant assigned to the U.S. Read more

Intelligence

Sir Francis Walsingham

By Arnold Blumberg

Among the many portraits of famous Elizabethans hanging in London’s National Portrait Gallery is that of Sir Francis Walsingham, painted around 1587 by the artist John De Critz the Elder. Read more

Intelligence

Dudley Clarke’s Commandos

By Jon Diamond

After the British Expeditionary Force’s (BEF) debacle at Dunkirk in northern France in May 1940, the new prime minister, Winston Churchill, needed a novel type of fighting force to strike back at Nazi Europe. Read more