SAN DIEGO (Dec. 9, 2020) The Los Angeles-class fast-attack submarine USS Key West (SSN 722) departs Naval Base Point Loma after completing a scheduled maintenance period in the floating dry dock ARCO (ARDM-5). ARCO is a medium auxiliary floating drydock and a Submarine Squadron 11 asset under the operational control of Commander, Submarine Force, U.S. Pacific Fleet. (U.S. Navy photo by Mass Communication Specialist 2nd Class Thomas Gooley)