Airman Christopher Zamarron, left, and Airman Brendan Adame, 364th Training Squadron cable and antenna apprentice course students, climb a comm tower at Sheppard Air Force Base, Texas, Oct. 23, 2018. Adame and Zamarron are getting into position for a ground-based tower rescue exercise. Adame will be the tower chief, in charge of hooking up the victim and calling out orders to the ground team, while Zamarron will be responisble for the safety line, which is a precaution incase anything goes wrong during the rescue. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)