Operation Sea-Spray was a secret 1950 U.S. Navy test that sprayed Serratia marcescens and Bacillus globigii over San Francisco to study bioweapon vulnerability. From September 20–27, a ship offshore released aerosol clouds, exposing nearly all 800,000 residents to thousands of particles. No one was informed. Soon after, Stanford Hospital saw 11 rare urinary tract infections; […]