PACIFIC OCEAN (Dec. 6, 2020) Lt. Cmdr Roberto Johnson, from Riverside, Calif., makes a call from the pilot house of the Wasp-class amphibious assault ship USS Essex (LHD 2) during a replenishment-at-sea (RAS). Essex is participating in Exercise Dawn Blitz, a scenario-based exercise designed to build interoperability between the Navy and Marine Corps team. (U.S. Navy photo by Mass Communication Specialist 2nd Class John Luke McGovern)