The modern sprawling air base is home to one unit that pilots around the world depend on to refuel in mid-air. (Originally aired April 7, 2016) More Service and Sacrifice stories, here: https://www.wbir.com/service-and-sacrifice Subscribe to WBIR for exclusive content: https://www.youtube.com/c/WBIR10 WBIR Channel 10 in Knoxville, Tennessee produces award-winning, community-centered content "Straight From The Heart" of East Tennessee. We strive to be good citizens, to do what is right, and to be fair and honest. We care. Follow WBIR on Social: Facebook: https://www.facebook.com/WBIRChannel10 Twitter: https://twitter.com/wbir Instagram: https://www.instagram.com/wbirchannel10/