Adolf Tolkachev, a Soviet military engineer and CIA spy, in 1984 (Courtesy of a Tolkachev family friend / The Billion Dollar Spy) August 8, 2015. Share. Save. His family and friends called him Adik.

Initially, the CIA was suspicious of Soviet aviation expert Adolf Tolkachev. But he earned the agency's trust — and provided blueprints, documents and plans that were crucial to the U.S.

During the late 1970s and early 1980s, the United States was the beneficiary of staggeringly important intelligence information transmitted through the CIA by Adolf Tolkachev, a Soviet engineer who ...

Adolf Tolkachev remains the source of the most catastrophic military aviation leaks in all of Russian history. Working for the CIA in 1979-1985, he’d managed to pass on so much he’d even given ...

Initially, the CIA was suspicious of Soviet aviation expert Adolf Tolkachev. But he earned the agency's trust — and provided blueprints, documents and plans that were crucial to the U.S.

One of the most significant US intelligence operations in modern history took place in the heart ...

Adolf Tolkachev was among the CIA’s most invaluable assets during the Cold War. Disillusioned with the Soviet regime, Tolkachev risked his life to pass thousands of pages of top-secret ...

Technology has revolutionized the art of intelligence, as satellites hundreds of miles above the planet can take photos that lay out a target’s defenses and vulnerabilities.

Initially, the CIA was suspicious of Soviet aviation expert Adolf Tolkachev. But he earned the agency's trust — and provided blueprints, documents and plans that were crucial to the U.S.

Initially, the CIA was suspicious of Soviet aviation expert Adolf Tolkachev. But he earned the agency's trust — and provided blueprints, documents and plans that were crucial to the U.S.