A 366th Training Squadron Navy detachment constructionman recruit cleans off a drill with a shovel at Sheppard Air Force Base, Texas, Dec. 18, 2018. This recruit is helping to put up new poles they will use later on in their training. Poles can vary on how long they can be used depending on what kind of wood was used. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)