U.S. Air Force Tech. Sgt. Richard Westra, special equipment operator assigned to the 21st Surveillance Squadron, Det. 1, left, briefs Air Forces Southern Foreign Liaison Officers during a WC-135 Constant Phoenix tour, Feb. 13, 2025 at Davis-Monthan AFB, Arizona. The tour helped to provide a firsthand look about the aircraft’s capabilities and its role in nuclear treaty monitoring, reinforcing transparency and collaboration in countering threats. (U.S. Air Force Photo by Andrea Jenkins)