The Department of Veterans Affairs (VA) is reviewing previously-denied claims from World War II Veterans who participated in full-body testing for mustard gas or Lewisite in the 1940s. VA has ...

These weapons date back to World War II. Nazi Germany produced large amounts of chemical warfare agents, including mustard gas, sarin, and tabun. Though they were rarely used in battle ...

But the most infamous - and deadliest - was mustard gas, in reality an oily vapour first used by the Germans in July 1917, again near Ypres. Known as the “King of Battle Gases”, it acted by ...