Staff Sgt. Sarah Anderson, 433rd Maintenance Squadron aircraft structural mechanic (third from right), explains to Inter-American Air Forces Academy students how personnel in the metals shop create replacement aircraft parts March 18, 2019 at Joint Base San Antonio-Lackland, Texas. The students also toured a C-5M and visited two other maintenance shops in the 433rd Airlift Wing. (U.S. Air Force photo by Master Sgt. Kristian Carter)