SAN DIEGO (Sept. 12, 2023) The Chilean navy submarine CS Carrera (SS 22) arrives at Naval Base Point Loma for the annual Diesel-Electric Submarine Initiative (DESI) program, Sept. 12, 2023. The DESI program was established in 2001 by U.S. Fleet Forces Command and partners with South American submarine-operating navies as they participate in fleet readiness exercises. (U.S. Navy photo by Mass Communication Specialist 1st Class Tiarra N. Brown)