Airman 1st Class Tiffany Shelton, 96th Maintenance Group Weapons Standardization, prepares a part for the AIM-9X before a live fire test at Holloman Air Force Base, New Mexico, April 23, 2019. The AIM-9X is the most advanced infrared-tracking, short-range, air-to-air and surface-to-air missile in the world. (U.S. Air Force photo by Tech. Sgt. John Raven)