An Airman from the 23d Civil Engineer Squadron (CES) Water and Fuels Systems Maintenance shop solder a copper pipe to a fitting, July 2, 2019, at Moody Air Force Base, Ga. Airmen from the 23d CES Water and Fuels Systems Maintenance are on-call 24/7 to sustain and maintain the base, water, sewer and gas lines and upkeep of the 696 facilities with water and fuel infrastructure. (U.S. Air Force photo by Airman 1st Class Taryn Butler)