Although German gas attacks on the battlefields of the First World War were greeted with horror, the Allies responded by developing their own chemical weapons. In America, laboratories began engaging in chemical weapon research, eventually amalgamating into the Chemical Warfare Service. This history of the organization brings together the key scientists, politicians and military personnel involved in its establishment, and describes the numerous logistical and ethical challenges they faced in deploying gas against the Germans. Off-mint with felt-tip mark on upper trimmed edge.