Eighty years ago in September 1945, U.S. soldiers still faced real dangers and challenges, and many were called on to display true heroism. At the time, my father, Sgt. Roger Thomas, was newly arrived in India and was serving as a Toxic Gas Handler with the 771^st Chemical Depot Company (Aviation) at Ondal Advanced Chemical Park in West Bengal. He was one of many replacements for more experienced soldiers who had been managing the CBI’s central stockpile of toxic chemical bombs. The bombs were filled with the same toxins that had been used during WWI, but had been manufactured and deployed in far greater quantities for possible “retaliation in kind” if Germany or Japan again initiated chemical warfare.

Eighty years ago, in May 1945, the dangers and the responsibilities faced by soldiers in the U.S. Chemical Warfare Service became frighteningly clear. The 760^th Chemical Depot Company was stationed near Oro Bay in what is now Papua New Guinea, maintaining the central American stockpile of toxic chemical bombs for the South West Pacific. The 760^th was ready to supply many thousands of toxic munitions for what President Roosevelt had promised would be a massive “retaliation in kind” if Japan resumed using its own toxic chemical weapons, as it had done earlier in China.

Eighty years ago, in April 1945, a detachment of one officer and seven enlisted men from the 757th Chemical Depot Company were finally given the forward assignment they wanted. Their orders sent them from their Company’s base at Hickam Field in Hawaii to the Mariana Islands to assist in the firebombing attacks then being conducted on Japanese cities. Although personnel of the 757th had experience and expertise with both toxic chemical bombs and the most sophisticated of America’s incendiary bombs, this mission was planned to help fill a critical shortage of standard incendiary bombs with the quick delivery of low-tech barrel bombs.

Eighty years ago, on March 5, 1945, Lt. Col. Wyss from U.S. Chemical Warfare Headquarters in Calcutta visited Ondal Advanced Chemical Park in West Bengal, India. The purpose of his visit was to reassess the stockpile of toxic chemical bombs then being maintained at Ondal by the 771st Chemical Depot Company (Aviation). Immediately after Wyss’s visit, the soldiers of the 771st began a major project to dispose of tens of thousands of chemical bombs that were judged to be either unneeded or unusable.

Long-secret documents from WWII show that the US Army’s 771st Chemical Depot Company buried thousands of M47A2 mustard-filled bombs at Ondal Airbase in British-ruled India. The 769th Chemical Depot Company helped bury hundreds of similar bombs at nearby Chakulia Airbase. Practically, legally and morally, the US should acknowledge its responsibility to remediate these burial sites.