Staff Sgt. Nikita Canalin, 51st Aircraft Maintenance Squadron avionics system technician, sutures a prosthetic leg during an Airman exchange at Osan Air Base, Republic of Korea, July 9, 2018. The purpose of the Airman exchange is to allow Airmen to step away from their day-to-day jobs to see what other Airmen from different units do to contribute to the 51st Fighter Wing mission. (U.S. Air Force photo by Airman 1st Class Ilyana A. Escalona)