U.S. Navy Builder 3rd Class Zachary Paiva (left) and

U.S. Navy Builder 3rd Class Zachary Paiva (left) and Construction Mechanic 3rd Class Marcus Lupkin (right), assigned to Naval Mobile Construction Battalion (NMCB) 133, review mud test results during water well drilling exploration operations in Riohacha, Colombia, Sept. 1, 2018 as part of Southern Partnership Station 2018. Southern Partnership Station is a U.S. Southern Command-sponsored and U.S. Naval Forces Southern Command/U.S. 4th Fleet-conducted annual deployment focused on subject matter expert exchanges and building partner capacity in a variety of disciplines including medicine, construction and dive operations in the Caribbean, Central and South America. (U.S. Army photo by Staff Sgt. Kalie Frantz)