U.S. Air Force Tech. Sgt. Richard Westra, special equipment operator assigned to the 21st Surveillance Squadron, Det. 1, right, shows Colombian Air Force Col. Alejandro Leguizamón, Air Forces Southern Foreign Liaison Officer, left, how atmospheric particles and gaseous effluents are collected during a WC-135 Constant Phoenix tour, Feb. 13, 2025 at Davis-Monthan AFB, Arizona. The hands-on immersion provided valuable background and broadened perspectives on U.S. Air Force capabilities, reinforcing the U.S. military’s ongoing commitment to fostering international cooperation and ensuring security and stability in the U.S. Southern Command region. (U.S. Air Force Photo by Andrea Jenkins)