Digging deep
Senior Airman Michael Bustamante, left, and Airman 1st Class Jefferson Bowler, both from the 2nd Civil Engineer Squadron Water and Fuels Systems Maintenance, determine where to place a 45 degree mechanical joint on Barksdale Air Force Base, La., Aug. 7, 2013. The joint was used to shift the direction of piping during the installation of a fire hydrant. (U.S. Air Force photo/Airman 1st Class Andrew Moua)