Risks from deployment come in many forms. One that is currently under review is the quality of air at bases in Afghanistan, and specifically the role of “burn pits.”

The Defense Department has said burn pits should only be used as a temporary last resort when no other alternative trash disposal method is feasible. Even then, at bases containing more than 100 personnel, burn pits are supposed to operate a maximum of 360 days. However, the burn pit at Camp Leatherneck in Afghanistan’s Helmand province continues to operate some five years after the camp was started, says John F. Sopko, the special inspector general for Afghanistan reconstruction.

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