Chemical Agent Identification Set

They were employed by all branches of the United States Armed Forces from 1928-1969 for the purpose of training in detection, handling and familiarization with chemical warfare.

[1] CAIS were used by all branches of the United States military for training in detection, handling and familiarization with chemical warfare agents between the 1930s and 1960s.

[2] These subsets included bottles of sulfur mustard used to purposely contaminate equipment or terrain for decontamination training.

[3] Another type of CAIS were known as "sniff sets" and were used to train soldiers to recognize the color and odor of chemical agents.

[1] The U.S. Army Chemical Materials Agency was assigned the task of destroying CAIS as they were found, usually through ongoing construction projects.

A typical glass bottle from a type of CAIS known as a "toxic gas set". This one contains sulfur mustard (HD).
An example of a glass ampule found in Chemical Agent Identification Sets