Airman 1st Class Zachary Smith, 51st Medical Support Squadron commander’s support section technician, performs launch procedures for a Fairchild Republic A-10 Thunderbolt II at Osan Air Base, Republic of Korea, July 18, 2018. Smith participated in an Airman exchange in which he learned about the duties of a maintainer. (U.S. Air Force photo by Airman 1st Class Ilyana A. Escalona)