Airman 1st Class Nicholas Misseri (left) and Staff Sgt. Daniel Propper (right), 36th Civil Engineer Squadron water and fuels systems maintainers, replace a water well Feb. 2015 at Northwest Field, Guam. It is up to the water and fuel systems maintenance Airmen to not only maintain 45 miles of fuel pipeline and 100,000 miles of water lines, but also inspect and maintain 13 water wells that produce over 800 million gallons annually. (Courtesy photo)