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The U.S. conducted secret tests of chemical and biological agents on its citizens during the Cold War, sparking controversy and debate over the ethics and safety of such experiments.
Longstanding, documented government atmospheric programs and proposals — including mid-20th century open-air biological tests, decades of cloud‑seeding and research, and provocative military strategy ...
Cold War–era U.S. tests in the 1950s–1960s deliberately dispersed tracer particles and presumed‑harmless microbes over cities and regions to study how a biological or chemical agent might travel, nota...