Episode 408: Operation Sea Spray and Beyond

Episode 408: Operation Sea Spray and Beyond

From The Fact Hunter by Delmarva Studios

April 1, 2026 · 1h 5m

About this episode

This episode explores Operation Sea Spray, a covert military experiment in 1950 that exposed civilians to bacteria in San Francisco.

In 1950, the U.S. military secretly released bacteria over San Francisco to study how a biological attack might spread through a major American city. Known as Operation Sea-Spray, the test exposed hundreds of thousands of civilians without their knowledge and became part of a larger Cold War pattern of covert experimentation, from subway dispersion tests to other secret research programs. In this episode, we examine the documented history, the illness cluster that followed, the machinery behind the biological warfare state, and the broader question it raises: when national security is used to justify secrecy, how often are ordinary people turned into unwitting participants — and what happens when the truth finally comes to light? Please check out my new book: https://www.foundationsinfaith.net Email us: thefacthunter@mail.com

People in this episode

Host: Delmarva Studios

Topics covered

  • biological warfare
  • covert experimentation
  • national security
  • public health
  • historical events

Keywords

  • Operation Sea Spray
  • biological attack
  • San Francisco
  • Cold War
  • public health
  • covert testing

Mentioned in this episode

Organizations: U.S. military, Cold War

Places: San Francisco

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