World War II veteran Charles Cavell — a test subject in the military's secret mustard gas experiments — at his home in Virginia. Ariel Zambelich/NPR hide caption toggle caption Ariel Zambelich/NPR The Two-Way WWII Veteran, Who Fought To Expose Secret Mustard Gas Experiments, Dies May 30, 2016 • Charles Cavell spent decades fighting for VA compensation, even after he and others — who had been sworn to secrecy by the U.S. military — helped bring the testing program to light. He was 89.
