Chemical Weapons

Despite research indicating that even low-level exposure to chemical weapons can impair short-term performance and cause long-term health problems, the Defense Department (DOD) has yet to develop an integrated strategy to defend U.S. troops against this battlefield threat. Specifically, it has neither stated a policy nor developed a doctrine on protecting soldiers from low-level chemical exposure. Less than two percent of the research, development, test, and evaluation funds in DOD's chemical and biological defense program during the past two years have gone to study this issue. DOD's current strategy is to maximize the effectiveness of troops in a lethal environment involving nuclear, biological, and chemical agents. However, research by DOD and others indicates that a single exposure to some chemical warfare agents can have adverse psychological, behavioral, and performance consequences.

GAO noted that: (1) DOD does not have an integrated strategy to address low-level exposures to chemical warfare agents; (2) it has not stated a policy or developed a doctrine on the protection of troops from low-level chemical exposures on the battlefield; (3) past research indicates that low-level exposures to some chemical warfare agents may result in adverse short-term performance and long-term health effects; (4) DOD has no chemical defense research program to determine the effects of low-level exposures; (5) less than 2 percent of the RDT&E funds in DOD's chemical and biological defense program have been allocated to low-level issues in the last 2 fiscal years; (6) DOD's nuclear, biological, and chemical (NBC) doctrine is focused on mission accomplishment by maximizing the effectiveness of troops in a lethal NBC environment; (7) it does not address protection of the force from low-level chemical warfare agent exposures on the battlefield; (8) according to officials, DOD does not have a doctrine that addresses low-level exposures because there is no: (a) validated low-level threat; (b) consensus on the definition or meaning of low-level exposures; or (c) consensus on the effects of low-level exposures; (9) past research by DOD and others indicates that single and repeated low-level exposures to some chemical warfare agents can result in adverse psychological, physiological, behavioral, and performance effects that may have military implications; (10) the research, however, does not fully address the effects of low-level exposures to a wide variety of agents, either in isolation or combination with other agents and battlefield contaminants; chronic effects; reliability and validity of animal-human extrapolation models; the operational implications of the measured adverse impacts; and delayed performance and health effects; (11) during the last 2 fiscal years, DOD has allocated nearly $10 million, or approximately 1.5 percent of its chemical and biological defense RDT&E budget of $646 million, to fund research and development projects on low-level chemical warfare agent exposure issues; (12) however, these projects were not part of a structured DOD research program focused on low-level effects; and (13) DOD does not have a chemical and biological defense research program designed to evaluate the potential effects of low-level chemical warfare agent exposures, but funding is under consideration for two multiyear research programs addressing low-level effects.

Recommendations

Our recommendations from this work are listed below with a Contact for more information. Status will change from "In process" to "Open," "Closed - implemented," or "Closed - not implemented" based on our follow up work.

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