Nerve Agent Field Demonstration 1960. Compare to the "died suddenly" videos

Today, they call it vaccinated.
Credit: Rachael Croom | Date Taken: 09/01/1960

The U.S. Army Chemical Center and School developed this video in the mid-1960s illustrating a chemical weapons attack by field artillery at Dugway Proving Ground. Warning, the video shows graphic depictions of goats and pigeons being exposed to and dying from nerve agent.