PACIFIC OCEAN (Dec. 4, 2020) Fire Controlman 3rd Class TingTing Dong, from New York, and Fire Controlman 3rd Class Brian Kusner, from Pittsburg, test a sprinkler system aboard the Wasp-class amphibious assault ship USS Essex (LHD 2). 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 3rd Class Wesley Richardson)