U.S. Air Force Staff Sgt. Daniel Propst, 961st Airborne Air Control Squadron E-3 Sentry airborne sensor operator, poses for a photo, Feb. 11, 2020, at Andersen Air Force Base, Guam. The Ponce De Leon, Fla., native is the Air Force’s first E-3 Sentry AWACS enlisted airborne sensor operator and is enhancing the 961st AACS’s capabilities at Cope North 2020, an annual trilateral field exercise conducted in Guam, and around the Commonwealth of the Northern Mariana Islands (CNMI), Palau, and Yap in the Federated States of Micronesia. (U.S. Air Force photo by Staff Sgt. Greg Nash)