An 1804 political cartoon lampoons President Thomas Jefferson for his unsuccessful attempt to include West Florida in the Louisiana Purchase.

espionage

The Florida Annexation

By Peter Kross

Almost a decade after winning the Revolutionary War against Great Britain, the youthful United States was determined to expand its territorial boundaries and become a truly continental nation. Read more

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.

espionage

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

espionage

Death of Himmler’s Henchman

By Richard Rule

In a desperate bid to avoid another war in Europe, both Britain and France signed the notorious Munich Agreement in 1938, which annexed the Sudetenland of Czechoslovakia to the Nazis. Read more

espionage

New Mexico: Atomic Spy Capital

By Richard Higgins

New Mexico and its capital of Santa Fe bring to mind some beautiful images. Stunning sunsets, unlimited vistas, a plethora of art galleries, the spectacular food enlivened with the local green chile, an ancient Native American culture that still thrives, and a Spanish heritage tradition going back to within 50 years of Columbus’s arrival all make for a unique cultural and physical environment. Read more

espionage

OSS Agents: Kill or be Killed

By Patrick J. Chaisson

In utter silence, the saboteurs carefully wired their target for demolition. All knew even the slightest noise might alert sentries to their presence underneath the Occoquan Creek bridge in northern Virginia. Read more

espionage

Japanese Internment: Behind the Barbed Wire in America

By Richard Higgins

“We were stunned when we entered the camp,” Yoshio “Yosh” Nakamura said, remembering the day when he and his family, from El Monte, California, were herded through the main gate at the Gila River Relocation Center—a Japanese American internment camp 30 miles southeast of Phoenix, Arizona—carrying only suitcases into which their worldly possessions had been crammed. Read more

espionage

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

Britain appeared doomed until the German naval codes were cracked.

espionage

The Codebreakers’ War in the Atlantic

By Gene J. Pfeffer

The Battle of the Atlantic was a life-and-death struggle between the German Kriegsmarine and the Allied navies that was fought for control of Britain’s lifeline to its empire and to the United States. Read more

espionage

The Winds Message Controversy: The Intelligence That Predicted Pearl Harbor?

By Peter Kross

The Japanese strike on Pearl Harbor on December 7, 1941—a “Day of Infamy,” as President Franklin D. Roosevelt described it—left the American Pacific Fleet in almost total ruin, plunged the United States into World War II, and set off a controversy regarding the events that led up to the attack that is still being hotly debated. Read more

espionage

Opening the Venona Files

By Peter Kross

On February 1, 1943, a group called the U.S. Army Signal Intelligence Service, the forerunner of the modern-day National Security Agency (NSA), began a project to intercept and analyze diplomatic signal traffic sent by an ally of the United States: the Soviet Union. Read more