A U.S. Navy MH-60R Sea Hawk helicopter from the "Sea Hawks" of Helicopter Maritime Strike Squadron (HSM) 41 hovers over the Peruvian navy submarine BAP Pisagua (SS 33) during a hoisting exercise off the coast of San Diego as part of a of a Diesel-Electric Submarine Initiative (DESI) exercise, Oct. 21, 2024. 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 Keenan Daniels)