It has been the norm throughout history for governments to spray its people for weather and biological warfare purposes, here are just some examples:
UK Met Office and the RAF kill 35 people in rainmaking experiments – Lynmouth, England – 1952
Rainmaking in Australia – 1968
Rainmaking (1968)
Clouds of Secrecy – Disclosed UK Biological Warfare Trials 1950’s – 1970’s
Naval Concepts of Chemical and Biological Warfare 1952
Operation Large Area Coverage (LAC) United States – 1950’s-1970’s