U.S. begins researching chemical weapons
U.S. government founds Chemical Warfare Service (CWS) towards the end of WW1
Increasing support for CWS due to looming threat of war. Congress increased the CWS' funding so research could intensify
CWS produced 50 tonnes of sulfur mustard and 20,000 tonnes of lewsite. The UK gave the U.S phosgene bombs.
The Cold War made interest in chemical weapons greatly increase. The CWS' budget tripled, the # of researchers increased, and grounds were opened (Guam and California and North Carolina coasts) for large scale weapons testing.