Crew members from the Peruvian submarine BAP Arica (SS-36) pose for group photos in front of the Ohio-class ballistic missile submarine USS Maryland (SSBN 738) prior to a tour at Naval Submarine Base Kings Bay, Ga., as part of the Diesel-Electric Submarine Initiative (DESI) program. The DESI Program is a U.S. Navy partnership with South American countries and supports their diesel-electric submarine operations and fleet readiness events in operating areas off the U.S. east and west coasts. (US Navy photo)