Dirty Jobs
Staff Sgt. Thomas Zweydoff, 2nd Civil Engineer Squadron utilities craftsman, observes as Senior Airman Cody Meador and Airman 1st Class Kevin Yator, 2 CES, tighten bolts on a water valve on Barksdale Air Force Base, La., Jan. 25. The water valve was put in place to fix a leaking pipe. The 2 CES is responsible for maintaining base infrastructure and setting up construction projects. (U.S. Air Force photo/Airman 1st Class Andrew Moua)