Simple Sabotage Field Manual

The United States Office of Strategic Services (OSS) was the premier intelligence agency of the United States during World War II, established to coordinate espionage activities behind enemy lines for all branches of the United States Armed Forces. Functioning as a wartime precursor to the modern Central Intelligence Agency, this organization was responsible for gathering intelligence, performing acts of sabotage, and conducting psychological warfare operations across global theaters. Its defining contribution to literature and operational history lies in its series of highly specialized field manuals and strategic reports that revolutionized the documentation of clandestine tactics.

Formed by President Franklin D. Roosevelt in June 1942, the OSS was led by Colonel William J. Donovan, who envisioned a centralized intelligence service capable of unconventional warfare. Throughout the conflict, the agency operated in diverse locations ranging from occupied Europe to the Pacific, recruiting a specialized array of experts including scholars, athletes, and legal professionals. These operatives were tasked with disrupting enemy infrastructure and morale, often through the creation and dissemination of instructional materials designed for resistance fighters and undercover agents.

The writing produced by the OSS was shaped by the urgent necessity of the war effort and is characterized by a pragmatic, clinical approach to subversion and intelligence gathering. Following the conclusion of hostilities in 1945, the agency was officially dissolved by President Harry S. Truman, with its functions eventually partitioned and absorbed into the Department of State and the Central Intelligence Agency. The declassification of their internal documents in later decades has provided a unique literary window into the psychological and tactical methodologies used to undermine the Axis powers during the mid-twentieth century.

Essential Reading

• Simple Sabotage Field Manual (1944): This influential guide provides detailed instructions for civilians and resistance members on how to discreetly disrupt enemy production and morale through everyday acts of inefficiency and destruction.
• Psychological Warfare Casebook (1949): Compiled from wartime experiences, this comprehensive document outlines the strategies used to influence the opinions and behaviors of both foreign populations and enemy forces.
• OSS Assessment of Men (1948): This work details the rigorous and pioneering psychological testing methods developed by the agency to select candidates for high-stress overseas assignments.