Aerial view of the historical peninsula and modern skyline of Istanbul

During World War II, the Office of Strategic Services (OSS) played a crucial role in gathering intelligence and conducting covert operations. One of the key locations for OSS activities was Istanbul, a city that served as a strategic hub for espionage in the Middle East and Eastern Europe. Among the various operations conducted by the OSS in Istanbul, the Dogwood Chain and the Evros Mission stand out.

The OSS in Istanbul

The OSS was established in 1942 as the United States’ first centralized intelligence agency. Its primary mission was to coordinate espionage activities behind enemy lines and support Allied military operations. Istanbul, with its unique geopolitical position, became a focal point for OSS operations.

Istanbul’s strategic location at the crossroads of Europe and Asia made it an ideal base for intelligence gathering. The city was a melting pot of diplomats, spies, and refugees, providing a fertile ground for espionage activities. The OSS set up a station in Istanbul to monitor Axis movements, gather intelligence on enemy operations, and support resistance groups in occupied territories.

The Dogwood Chain

The Dogwood Chain was an intelligence network established by the OSS in Istanbul to obtain critical information about Axis military activities. The network was named after the dogwood tree, symbolizing the interconnectedness and resilience of the agents involved.

The Dogwood Chain operated by recruiting and managing a network of informants and agents who provided valuable intelligence on Axis operations. These informants included diplomats, businessmen, and local residents who had access to sensitive information. The OSS agents in Istanbul coordinated the activities of the Dogwood Chain, ensuring that the intelligence gathered was accurate and timely.

The Dogwood Chain was instrumental in providing the Allies with crucial intelligence on Axis military movements and strategies. The network’s agents reported on troop deployments, supply routes, and other vital information that helped shape Allied operations in the region.

However, the Dogwood Chain faced several challenges. The OSS station in Istanbul had to navigate a complex web of political and diplomatic tensions. The city was a hotbed of espionage, with multiple intelligence agencies operating in close proximity. Maintaining the secrecy and security of the Dogwood Chain was a constant struggle, as the network was vulnerable to infiltration and betrayal.

One notable incident involved the mismanagement of the Dogwood Chain by Lanning MacFarland, the Chief of the OSS Mission in Istanbul. Reports indicated that MacFarland’s handling of the network led to significant operational setbacks. Despite these challenges, the Dogwood Chain continued to provide valuable intelligence throughout the war.

Topographic map of Turkey. Wikimedia / CC BY-SA 3.0.

The Evros Mission

Anither notable OSS operation in Turkey during World War II was the Evros Mission. This mission was part of the broader efforts by the OSS to disrupt Axis supply lines and gather intelligence.

In the spring of 1944, the Joint Chiefs of Staff authorized a major OSS Special Operations sabotage mission known as the Evros Mission. The mission began on March 29, 1944, with the infiltration of an OSS team into Greece from neutral Turkey. The primary objective of the Evros Mission was to destroy key railway bridges that were crucial for transporting chrome from Turkey to Germany. Chrome was a strategic metal used to strengthen tank armor and gun barrels, making it vital for the Axis war effort. The OSS team aimed to disrupt these supply lines by targeting the railway bridges along the Istanbul-Sofia-Salonika railroad line.

The OSS team, led by Captain James G.L. Kellis of the U.S. Army Air Corps, included Radioman Third Class Spyridon Kapponie, Radioman Third Class Michael Angelos, and 2nd Lieutenant Alexander Georgiades. They crossed into the Evros district of Thrace Province in Greece from Turkey. The team was later joined by U.S. Marine Gunnery Sergeant Thomas L. Curtis, Lieutenant (j.g.) Everette Johnny Athens, and Radioman Third Class George N. Psoinos.

The Evros Mission faced several challenges, including navigating the complex political and military landscape of the region. The OSS agents had to coordinate with Greek guerrilla forces and establish secure communication lines to report their findings and progress. Despite these challenges, the mission successfully disrupted the Axis supply lines by destroying key railway bridges. This operation significantly impacted the transportation of chrome to Germany, hindering the Axis war effort.

The Evros Mission exemplifies the strategic importance of OSS operations in Turkey and the broader Middle East during World War II. The mission’s success demonstrated the effectiveness of coordinated sabotage efforts and intelligence gathering in undermining enemy operations.

Americans Capponie, Angelos, and Kellis (left to right) begin preparations for the Evros Mission soon after arriving in Greece and locating guerilla forces.

Legacy and Impact

The OSS’s operations in Istanbul, including the Dogwood Chain and the Evros Mission, had a lasting impact on the field of intelligence. The experiences and lessons learned from these operations contributed to the development of modern intelligence practices. The OSS itself was a precursor to the Central Intelligence Agency (CIA), which was established after the war.

The Dogwood Chain exemplifies the complexities and challenges of wartime espionage. It highlights the importance of effective intelligence networks in shaping military strategies and outcomes. The bravery and dedication of the agents involved in the Dogwood Chain continue to be remembered as a testament to the critical role of intelligence in wartime efforts.

The Evros Mission, in particular, demonstrated the strategic importance of coordinated sabotage efforts and intelligence gathering. By successfully disrupting Axis supply lines and providing valuable intelligence, the Evros Mission showcased the effectiveness of OSS operations in Turkey and the broader Middle East. The mission’s success underscored the critical role of intelligence in undermining enemy operations and supporting Allied military strategies.

Resources

Central Intelligence Agency
CIA.gov

USASOC OSS Website (Official US Army Website)
www.soc.mil/OSS/index.html

The OSS Society
OSSSociety org

*The views and opinions expressed on this website are solely those of the original authors and contributors. These views and opinions do not necessarily represent those of Spotter Up Magazine, the administrative staff, and/or any/all contributors to this site.

By Eugene Nielsen

Eugene Nielsen provides Protective Intelligence, Red Teaming, Consulting and Training Services. He has a bachelor's degree in political science from the University of California. His byline has appeared in numerous national and international journals and magazines.

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