Soldier Security
Army Sgt. 1st Class Gary Lambert provides security on the helicopter landing zone on Forward Operating Base Rushmore in Paktika province, Afghanistan, July 16, 2013. On combat deployments, service members may be exposed to toxins, such as those from burn pits. The Defense Department is looking for better ways to track these exposuresw.

Photo by: Army Spc. Chenee' Brooks |  VIRIN: 130716-A-NQ567-019.JPG