The Department of Defense (DOD) has identified more than 400 substances used during testing. Not all the substances were harmful as DOD tested many medicines and antidotes. These substances may be broken down as follows:
Chemical Agents (e.g., nerve agents, irritants)
Biological Agents (e.g., tularemia)
Vaccines (e.g., tularemia vaccines)
Hallucinogenic drugs (e.g., LSD)
Antidotes (e.g., atropine)
Medicines (e.g., Benadryl)
Other (e.g., alcohol, saline solution)
Tracers
Placebos