Airman 1st Class Alyssa Morales, 361st Training Squadron aerospace ground equipment apprentice course student, connects two cylinders at Sheppard Air Force Base, Texas, March 14, 2019. After five days of lecture on the functions of basic tools such as nuts, bolts and washers, Airmen are put to the test using the equipment. (U.S. Air Force photo by Airman Madeleine E. Remillard)