Senior Airman Markita Andrews, a water and fuels systems maintenance journeyman, installs a drinking fountain at the RED HORSE compound on Hurlburt Field, Fla., Oct. 3, 2016. Water and fuels systems maintenance Airmen monitor system operations to ensure compliance with local, state, federal and Department of Defense regulations. (U.S. Air Force photo by Senior Airman Krystal M. Garrett)