Breaking ground
Staff Sgt. Trevor Petersma and Airman 1st Class Aaron Weathers measure the distance between metal supports for water and sewage lines Aug. 15 at Ali Base, Iraq. In the transition from base tents to trailers, the 407th Expeditionary Civil Engineer Squadron is rerouting the power supply along with laying water and sewage systems. Sergeant Petersma is deployed from Malmstrom Air Force Base, Mont., and Airman Weathers is deployed from F.E. Warren AFB, Wyo. (U.S. Air Force photo/Airman 1st Class Christopher Griffin)